Home / 454,060,509.60-681,090,764.40-431,385,693.60

Finding the Fourth Proportional to 454,060,509.60, 681,090,764.40 and 431,385,693.60

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Solution

The fourth proportional to 454,060,509.60, 681,090,764.40 and 431,385,693.60 is: 647,078,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,060,509.60 : 681,090,764.40 = 431,385,693.60 : x
  2. Step 2: Convert to fraction form
    454,060,509.60/681,090,764.40 = 431,385,693.60/x
  3. Step 3: Cross multiply
    454,060,509.60x = 681,090,764.40 × 431,385,693.60
  4. Step 4: Simplify right side
    454,060,509.60x = 293,812,811,805,248,192
  5. Step 5: Solve for x
    x = 293,812,811,805,248,192/454,060,509.60
  6. Step 6: Final answer
    x = 647,078,540.40

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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.