Home / 712,601,945.62-1,068,900,780.06-180,812,339.78

Finding the Fourth Proportional to 712,601,945.62, 1,068,900,780.06 and 180,812,339.78

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Solution

The fourth proportional to 712,601,945.62, 1,068,900,780.06 and 180,812,339.78 is: 271,217,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,601,945.62 : 1,068,900,780.06 = 180,812,339.78 : x
  2. Step 2: Convert to fraction form
    712,601,945.62/1,068,900,780.06 = 180,812,339.78/x
  3. Step 3: Cross multiply
    712,601,945.62x = 1,068,900,780.06 × 180,812,339.78
  4. Step 4: Simplify right side
    712,601,945.62x = 193,270,451,029,971,264
  5. Step 5: Solve for x
    x = 193,270,451,029,971,264/712,601,945.62
  6. Step 6: Final answer
    x = 271,217,967.08

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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.