Home / 539,400,937-744,375,266.82-291,882,293.80

Finding the Fourth Proportional to 539,400,937, 744,375,266.82 and 291,882,293.80

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Solution

The fourth proportional to 539,400,937, 744,375,266.82 and 291,882,293.80 is: 402,798,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,400,937 : 744,375,266.82 = 291,882,293.80 : x
  2. Step 2: Convert to fraction form
    539,400,937/744,375,266.82 = 291,882,293.80/x
  3. Step 3: Cross multiply
    539,400,937x = 744,375,266.82 × 291,882,293.80
  4. Step 4: Simplify right side
    539,400,937x = 217,269,960,327,408,640
  5. Step 5: Solve for x
    x = 217,269,960,327,408,640/539,400,937
  6. Step 6: Final answer
    x = 402,798,633.49

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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.