Home / 467,896,344.30-701,844,516.45-431,616,638.70

Finding the Fourth Proportional to 467,896,344.30, 701,844,516.45 and 431,616,638.70

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Solution

The fourth proportional to 467,896,344.30, 701,844,516.45 and 431,616,638.70 is: 647,424,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,896,344.30 : 701,844,516.45 = 431,616,638.70 : x
  2. Step 2: Convert to fraction form
    467,896,344.30/701,844,516.45 = 431,616,638.70/x
  3. Step 3: Cross multiply
    467,896,344.30x = 701,844,516.45 × 431,616,638.70
  4. Step 4: Simplify right side
    467,896,344.30x = 302,927,771,080,175,872
  5. Step 5: Solve for x
    x = 302,927,771,080,175,872/467,896,344.30
  6. Step 6: Final answer
    x = 647,424,958.05

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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.