Home / 768,129,095.96-1,152,096,456.42-243,503,254.76

Finding the Fourth Proportional to 768,129,095.96, 1,152,096,456.42 and 243,503,254.76

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Solution

The fourth proportional to 768,129,095.96, 1,152,096,456.42 and 243,503,254.76 is: 365,224,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,129,095.96 : 1,152,096,456.42 = 243,503,254.76 : x
  2. Step 2: Convert to fraction form
    768,129,095.96/1,152,096,456.42 = 243,503,254.76/x
  3. Step 3: Cross multiply
    768,129,095.96x = 1,152,096,456.42 × 243,503,254.76
  4. Step 4: Simplify right side
    768,129,095.96x = 280,539,236,935,732,512
  5. Step 5: Solve for x
    x = 280,539,236,935,732,512/768,129,095.96
  6. Step 6: Final answer
    x = 365,224,072.90

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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.