Home / 437,513,784.60-656,165,700.90-252,881,995.80

Finding the Fourth Proportional to 437,513,784.60, 656,165,700.90 and 252,881,995.80

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Solution

The fourth proportional to 437,513,784.60, 656,165,700.90 and 252,881,995.80 is: 379,262,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513,784.60 : 656,165,700.90 = 252,881,995.80 : x
  2. Step 2: Convert to fraction form
    437,513,784.60/656,165,700.90 = 252,881,995.80/x
  3. Step 3: Cross multiply
    437,513,784.60x = 656,165,700.90 × 252,881,995.80
  4. Step 4: Simplify right side
    437,513,784.60x = 165,932,492,019,097,856
  5. Step 5: Solve for x
    x = 165,932,492,019,097,856/437,513,784.60
  6. Step 6: Final answer
    x = 379,262,317.81

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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.