Home / 30,292,137,130.80-45,438,205,696.20-27,812,646,001.20

Finding the Fourth Proportional to 30,292,137,130.80, 45,438,205,696.20 and 27,812,646,001.20

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Solution

The fourth proportional to 30,292,137,130.80, 45,438,205,696.20 and 27,812,646,001.20 is: 41,718,969,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,137,130.80 : 45,438,205,696.20 = 27,812,646,001.20 : x
  2. Step 2: Convert to fraction form
    30,292,137,130.80/45,438,205,696.20 = 27,812,646,001.20/x
  3. Step 3: Cross multiply
    30,292,137,130.80x = 45,438,205,696.20 × 27,812,646,001.20
  4. Step 4: Simplify right side
    30,292,137,130.80x = 1,263,756,729,958,120,030,208
  5. Step 5: Solve for x
    x = 1,263,756,729,958,120,030,208/30,292,137,130.80
  6. Step 6: Final answer
    x = 41,718,969,001.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.