Home / 718,522,795.35-991,555,682.04-417,136,072.41

Finding the Fourth Proportional to 718,522,795.35, 991,555,682.04 and 417,136,072.41

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Solution

The fourth proportional to 718,522,795.35, 991,555,682.04 and 417,136,072.41 is: 575,644,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,522,795.35 : 991,555,682.04 = 417,136,072.41 : x
  2. Step 2: Convert to fraction form
    718,522,795.35/991,555,682.04 = 417,136,072.41/x
  3. Step 3: Cross multiply
    718,522,795.35x = 991,555,682.04 × 417,136,072.41
  4. Step 4: Simplify right side
    718,522,795.35x = 413,613,642,781,984,384
  5. Step 5: Solve for x
    x = 413,613,642,781,984,384/718,522,795.35
  6. Step 6: Final answer
    x = 575,644,426.95

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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.