Home / 399,176,905.40-598,765,358.10-291,681,481.40

Finding the Fourth Proportional to 399,176,905.40, 598,765,358.10 and 291,681,481.40

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Solution

The fourth proportional to 399,176,905.40, 598,765,358.10 and 291,681,481.40 is: 437,522,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,176,905.40 : 598,765,358.10 = 291,681,481.40 : x
  2. Step 2: Convert to fraction form
    399,176,905.40/598,765,358.10 = 291,681,481.40/x
  3. Step 3: Cross multiply
    399,176,905.40x = 598,765,358.10 × 291,681,481.40
  4. Step 4: Simplify right side
    399,176,905.40x = 174,648,766,661,609,472
  5. Step 5: Solve for x
    x = 174,648,766,661,609,472/399,176,905.40
  6. Step 6: Final answer
    x = 437,522,222.10

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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.