Home / 762,765,128.40-1,144,151,549.22-238,090,248.75

Finding the Fourth Proportional to 762,765,128.40, 1,144,151,549.22 and 238,090,248.75

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Solution

The fourth proportional to 762,765,128.40, 1,144,151,549.22 and 238,090,248.75 is: 357,136,576.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,765,128.40 : 1,144,151,549.22 = 238,090,248.75 : x
  2. Step 2: Convert to fraction form
    762,765,128.40/1,144,151,549.22 = 238,090,248.75/x
  3. Step 3: Cross multiply
    762,765,128.40x = 1,144,151,549.22 × 238,090,248.75
  4. Step 4: Simplify right side
    762,765,128.40x = 272,411,326,961,487,680
  5. Step 5: Solve for x
    x = 272,411,326,961,487,680/762,765,128.40
  6. Step 6: Final answer
    x = 357,136,576.93

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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.