Home / 657,436,130.16-907,262,743.92-356,021,967.42

Finding the Fourth Proportional to 657,436,130.16, 907,262,743.92 and 356,021,967.42

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Solution

The fourth proportional to 657,436,130.16, 907,262,743.92 and 356,021,967.42 is: 491,310,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,436,130.16 : 907,262,743.92 = 356,021,967.42 : x
  2. Step 2: Convert to fraction form
    657,436,130.16/907,262,743.92 = 356,021,967.42/x
  3. Step 3: Cross multiply
    657,436,130.16x = 907,262,743.92 × 356,021,967.42
  4. Step 4: Simplify right side
    657,436,130.16x = 323,005,467,057,266,048
  5. Step 5: Solve for x
    x = 323,005,467,057,266,048/657,436,130.16
  6. Step 6: Final answer
    x = 491,310,793.91

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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.