Home / 431,082,002.70-646,623,004.05-344,988,560.70

Finding the Fourth Proportional to 431,082,002.70, 646,623,004.05 and 344,988,560.70

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Solution

The fourth proportional to 431,082,002.70, 646,623,004.05 and 344,988,560.70 is: 517,482,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,082,002.70 : 646,623,004.05 = 344,988,560.70 : x
  2. Step 2: Convert to fraction form
    431,082,002.70/646,623,004.05 = 344,988,560.70/x
  3. Step 3: Cross multiply
    431,082,002.70x = 646,623,004.05 × 344,988,560.70
  4. Step 4: Simplify right side
    431,082,002.70x = 223,077,539,482,719,744
  5. Step 5: Solve for x
    x = 223,077,539,482,719,744/431,082,002.70
  6. Step 6: Final answer
    x = 517,482,841.05

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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.