Home / 442,316,958.36-610,518,807.90-256,737,761.88

Finding the Fourth Proportional to 442,316,958.36, 610,518,807.90 and 256,737,761.88

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Solution

The fourth proportional to 442,316,958.36, 610,518,807.90 and 256,737,761.88 is: 354,368,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,316,958.36 : 610,518,807.90 = 256,737,761.88 : x
  2. Step 2: Convert to fraction form
    442,316,958.36/610,518,807.90 = 256,737,761.88/x
  3. Step 3: Cross multiply
    442,316,958.36x = 610,518,807.90 × 256,737,761.88
  4. Step 4: Simplify right side
    442,316,958.36x = 156,743,232,325,891,648
  5. Step 5: Solve for x
    x = 156,743,232,325,891,648/442,316,958.36
  6. Step 6: Final answer
    x = 354,368,579.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.