Home / 397,600,665.60-596,400,998.40-124,971,432.60

Finding the Fourth Proportional to 397,600,665.60, 596,400,998.40 and 124,971,432.60

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Solution

The fourth proportional to 397,600,665.60, 596,400,998.40 and 124,971,432.60 is: 187,457,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,600,665.60 : 596,400,998.40 = 124,971,432.60 : x
  2. Step 2: Convert to fraction form
    397,600,665.60/596,400,998.40 = 124,971,432.60/x
  3. Step 3: Cross multiply
    397,600,665.60x = 596,400,998.40 × 124,971,432.60
  4. Step 4: Simplify right side
    397,600,665.60x = 74,533,087,174,118,304
  5. Step 5: Solve for x
    x = 74,533,087,174,118,304/397,600,665.60
  6. Step 6: Final answer
    x = 187,457,148.90

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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.