Home / 497,918,343.94-687,187,568-283,389,148.27

Finding the Fourth Proportional to 497,918,343.94, 687,187,568 and 283,389,148.27

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Solution

The fourth proportional to 497,918,343.94, 687,187,568 and 283,389,148.27 is: 391,111,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,343.94 : 687,187,568 = 283,389,148.27 : x
  2. Step 2: Convert to fraction form
    497,918,343.94/687,187,568 = 283,389,148.27/x
  3. Step 3: Cross multiply
    497,918,343.94x = 687,187,568 × 283,389,148.27
  4. Step 4: Simplify right side
    497,918,343.94x = 194,741,499,597,252,704
  5. Step 5: Solve for x
    x = 194,741,499,597,252,704/497,918,343.94
  6. Step 6: Final answer
    x = 391,111,317.68

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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.