Home / 386,451,504.10-579,677,256.15-309,924,000.10

Finding the Fourth Proportional to 386,451,504.10, 579,677,256.15 and 309,924,000.10

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Solution

The fourth proportional to 386,451,504.10, 579,677,256.15 and 309,924,000.10 is: 464,886,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,451,504.10 : 579,677,256.15 = 309,924,000.10 : x
  2. Step 2: Convert to fraction form
    386,451,504.10/579,677,256.15 = 309,924,000.10/x
  3. Step 3: Cross multiply
    386,451,504.10x = 579,677,256.15 × 309,924,000.10
  4. Step 4: Simplify right side
    386,451,504.10x = 179,655,893,993,000,320
  5. Step 5: Solve for x
    x = 179,655,893,993,000,320/386,451,504.10
  6. Step 6: Final answer
    x = 464,886,000.15

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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.