Home / 657,607,123.84-907,458,895.04-360,190,053.76

Finding the Fourth Proportional to 657,607,123.84, 907,458,895.04 and 360,190,053.76

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Solution

The fourth proportional to 657,607,123.84, 907,458,895.04 and 360,190,053.76 is: 497,040,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,607,123.84 : 907,458,895.04 = 360,190,053.76 : x
  2. Step 2: Convert to fraction form
    657,607,123.84/907,458,895.04 = 360,190,053.76/x
  3. Step 3: Cross multiply
    657,607,123.84x = 907,458,895.04 × 360,190,053.76
  4. Step 4: Simplify right side
    657,607,123.84x = 326,857,668,189,447,744
  5. Step 5: Solve for x
    x = 326,857,668,189,447,744/657,607,123.84
  6. Step 6: Final answer
    x = 497,040,947.92

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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.