Home / 749,021,758.00-1,123,976,494.11-417,306,416.47

Finding the Fourth Proportional to 749,021,758.00, 1,123,976,494.11 and 417,306,416.47

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Solution

The fourth proportional to 749,021,758.00, 1,123,976,494.11 and 417,306,416.47 is: 626,206,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,021,758.00 : 1,123,976,494.11 = 417,306,416.47 : x
  2. Step 2: Convert to fraction form
    749,021,758.00/1,123,976,494.11 = 417,306,416.47/x
  3. Step 3: Cross multiply
    749,021,758.00x = 1,123,976,494.11 × 417,306,416.47
  4. Step 4: Simplify right side
    749,021,758.00x = 469,042,602,947,938,176
  5. Step 5: Solve for x
    x = 469,042,602,947,938,176/749,021,758.00
  6. Step 6: Final answer
    x = 626,206,913.14

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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.