Home / 514,992,774.30-772,489,161.45-458,557,676.70

Finding the Fourth Proportional to 514,992,774.30, 772,489,161.45 and 458,557,676.70

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Solution

The fourth proportional to 514,992,774.30, 772,489,161.45 and 458,557,676.70 is: 687,836,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,992,774.30 : 772,489,161.45 = 458,557,676.70 : x
  2. Step 2: Convert to fraction form
    514,992,774.30/772,489,161.45 = 458,557,676.70/x
  3. Step 3: Cross multiply
    514,992,774.30x = 772,489,161.45 × 458,557,676.70
  4. Step 4: Simplify right side
    514,992,774.30x = 354,230,835,150,443,200
  5. Step 5: Solve for x
    x = 354,230,835,150,443,200/514,992,774.30
  6. Step 6: Final answer
    x = 687,836,515.05

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1.5x scale

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.