Home / 768,129,094.96-1,152,096,454.92-243,503,253.76

Finding the Fourth Proportional to 768,129,094.96, 1,152,096,454.92 and 243,503,253.76

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Solution

The fourth proportional to 768,129,094.96, 1,152,096,454.92 and 243,503,253.76 is: 365,224,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,129,094.96 : 1,152,096,454.92 = 243,503,253.76 : x
  2. Step 2: Convert to fraction form
    768,129,094.96/1,152,096,454.92 = 243,503,253.76/x
  3. Step 3: Cross multiply
    768,129,094.96x = 1,152,096,454.92 × 243,503,253.76
  4. Step 4: Simplify right side
    768,129,094.96x = 280,539,235,418,381,184
  5. Step 5: Solve for x
    x = 280,539,235,418,381,184/768,129,094.96
  6. Step 6: Final answer
    x = 365,224,071.40

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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.