Home / 545,391,840.30-752,657,038.11-297,884,870.70

Finding the Fourth Proportional to 545,391,840.30, 752,657,038.11 and 297,884,870.70

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Solution

The fourth proportional to 545,391,840.30, 752,657,038.11 and 297,884,870.70 is: 411,090,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,391,840.30 : 752,657,038.11 = 297,884,870.70 : x
  2. Step 2: Convert to fraction form
    545,391,840.30/752,657,038.11 = 297,884,870.70/x
  3. Step 3: Cross multiply
    545,391,840.30x = 752,657,038.11 × 297,884,870.70
  4. Step 4: Simplify right side
    545,391,840.30x = 224,205,144,478,842,304
  5. Step 5: Solve for x
    x = 224,205,144,478,842,304/545,391,840.30
  6. Step 6: Final answer
    x = 411,090,023.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.