Home / 749,466,796.45-1,123,403,033.12-282,930,021.48

Finding the Fourth Proportional to 749,466,796.45, 1,123,403,033.12 and 282,930,021.48

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Solution

The fourth proportional to 749,466,796.45, 1,123,403,033.12 and 282,930,021.48 is: 424,094,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,466,796.45 : 1,123,403,033.12 = 282,930,021.48 : x
  2. Step 2: Convert to fraction form
    749,466,796.45/1,123,403,033.12 = 282,930,021.48/x
  3. Step 3: Cross multiply
    749,466,796.45x = 1,123,403,033.12 × 282,930,021.48
  4. Step 4: Simplify right side
    749,466,796.45x = 317,844,444,287,812,160
  5. Step 5: Solve for x
    x = 317,844,444,287,812,160/749,466,796.45
  6. Step 6: Final answer
    x = 424,094,097.02

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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.