Home / 366,408,049.60-549,612,074.40-257,356,356.40

Finding the Fourth Proportional to 366,408,049.60, 549,612,074.40 and 257,356,356.40

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Solution

The fourth proportional to 366,408,049.60, 549,612,074.40 and 257,356,356.40 is: 386,034,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,408,049.60 : 549,612,074.40 = 257,356,356.40 : x
  2. Step 2: Convert to fraction form
    366,408,049.60/549,612,074.40 = 257,356,356.40/x
  3. Step 3: Cross multiply
    366,408,049.60x = 549,612,074.40 × 257,356,356.40
  4. Step 4: Simplify right side
    366,408,049.60x = 141,446,160,901,029,712
  5. Step 5: Solve for x
    x = 141,446,160,901,029,712/366,408,049.60
  6. Step 6: Final answer
    x = 386,034,534.60

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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.