Home / 564,711,425.73-779,320,669.43-313,826,391.85

Finding the Fourth Proportional to 564,711,425.73, 779,320,669.43 and 313,826,391.85

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Solution

The fourth proportional to 564,711,425.73, 779,320,669.43 and 313,826,391.85 is: 433,090,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,425.73 : 779,320,669.43 = 313,826,391.85 : x
  2. Step 2: Convert to fraction form
    564,711,425.73/779,320,669.43 = 313,826,391.85/x
  3. Step 3: Cross multiply
    564,711,425.73x = 779,320,669.43 × 313,826,391.85
  4. Step 4: Simplify right side
    564,711,425.73x = 244,571,393,781,343,488
  5. Step 5: Solve for x
    x = 244,571,393,781,343,488/564,711,425.73
  6. Step 6: Final answer
    x = 433,090,925.10

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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.