Home / 657,518,769.92-907,123,338.58-375,276,876.38

Finding the Fourth Proportional to 657,518,769.92, 907,123,338.58 and 375,276,876.38

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Solution

The fourth proportional to 657,518,769.92, 907,123,338.58 and 375,276,876.38 is: 517,737,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,518,769.92 : 907,123,338.58 = 375,276,876.38 : x
  2. Step 2: Convert to fraction form
    657,518,769.92/907,123,338.58 = 375,276,876.38/x
  3. Step 3: Cross multiply
    657,518,769.92x = 907,123,338.58 × 375,276,876.38
  4. Step 4: Simplify right side
    657,518,769.92x = 340,422,412,993,699,584
  5. Step 5: Solve for x
    x = 340,422,412,993,699,584/657,518,769.92
  6. Step 6: Final answer
    x = 517,737,939.31

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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.