Home / 946,602,001.80-1,419,903,002.70-640,837,240.20

Finding the Fourth Proportional to 946,602,001.80, 1,419,903,002.70 and 640,837,240.20

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Solution

The fourth proportional to 946,602,001.80, 1,419,903,002.70 and 640,837,240.20 is: 961,255,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,602,001.80 : 1,419,903,002.70 = 640,837,240.20 : x
  2. Step 2: Convert to fraction form
    946,602,001.80/1,419,903,002.70 = 640,837,240.20/x
  3. Step 3: Cross multiply
    946,602,001.80x = 1,419,903,002.70 × 640,837,240.20
  4. Step 4: Simplify right side
    946,602,001.80x = 909,926,721,601,961,216
  5. Step 5: Solve for x
    x = 909,926,721,601,961,216/946,602,001.80
  6. Step 6: Final answer
    x = 961,255,860.30

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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.