Home / 497,918,353.92-687,187,581.74-283,389,158.22

Finding the Fourth Proportional to 497,918,353.92, 687,187,581.74 and 283,389,158.22

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Solution

The fourth proportional to 497,918,353.92, 687,187,581.74 and 283,389,158.22 is: 391,111,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,918,353.92 : 687,187,581.74 = 283,389,158.22 : x
  2. Step 2: Convert to fraction form
    497,918,353.92/687,187,581.74 = 283,389,158.22/x
  3. Step 3: Cross multiply
    497,918,353.92x = 687,187,581.74 × 283,389,158.22
  4. Step 4: Simplify right side
    497,918,353.92x = 194,741,510,328,536,064
  5. Step 5: Solve for x
    x = 194,741,510,328,536,064/497,918,353.92
  6. Step 6: Final answer
    x = 391,111,331.40

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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.