Home / 366,408,049.10-549,612,073.65-257,356,355.90

Finding the Fourth Proportional to 366,408,049.10, 549,612,073.65 and 257,356,355.90

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Solution

The fourth proportional to 366,408,049.10, 549,612,073.65 and 257,356,355.90 is: 386,034,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,408,049.10 : 549,612,073.65 = 257,356,355.90 : x
  2. Step 2: Convert to fraction form
    366,408,049.10/549,612,073.65 = 257,356,355.90/x
  3. Step 3: Cross multiply
    366,408,049.10x = 549,612,073.65 × 257,356,355.90
  4. Step 4: Simplify right side
    366,408,049.10x = 141,446,160,433,206,416
  5. Step 5: Solve for x
    x = 141,446,160,433,206,416/366,408,049.10
  6. Step 6: Final answer
    x = 386,034,533.85

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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.