Home / 750,821,466.80-1,126,232,200.20-637,447,386.80

Finding the Fourth Proportional to 750,821,466.80, 1,126,232,200.20 and 637,447,386.80

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Solution

The fourth proportional to 750,821,466.80, 1,126,232,200.20 and 637,447,386.80 is: 956,171,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,821,466.80 : 1,126,232,200.20 = 637,447,386.80 : x
  2. Step 2: Convert to fraction form
    750,821,466.80/1,126,232,200.20 = 637,447,386.80/x
  3. Step 3: Cross multiply
    750,821,466.80x = 1,126,232,200.20 × 637,447,386.80
  4. Step 4: Simplify right side
    750,821,466.80x = 717,913,772,947,504,384
  5. Step 5: Solve for x
    x = 717,913,772,947,504,384/750,821,466.80
  6. Step 6: Final answer
    x = 956,171,080.20

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Double scale
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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.