Home / 616,029,645.12-923,422,681.66-386,160,154.96

Finding the Fourth Proportional to 616,029,645.12, 923,422,681.66 and 386,160,154.96

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Solution

The fourth proportional to 616,029,645.12, 923,422,681.66 and 386,160,154.96 is: 578,850,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,029,645.12 : 923,422,681.66 = 386,160,154.96 : x
  2. Step 2: Convert to fraction form
    616,029,645.12/923,422,681.66 = 386,160,154.96/x
  3. Step 3: Cross multiply
    616,029,645.12x = 923,422,681.66 × 386,160,154.96
  4. Step 4: Simplify right side
    616,029,645.12x = 356,589,045,843,404,288
  5. Step 5: Solve for x
    x = 356,589,045,843,404,288/616,029,645.12
  6. Step 6: Final answer
    x = 578,850,463.88

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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.