Home / 1,158,776,000.80-1,738,164,001.20-791,443,981.60

Finding the Fourth Proportional to 1,158,776,000.80, 1,738,164,001.20 and 791,443,981.60

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Solution

The fourth proportional to 1,158,776,000.80, 1,738,164,001.20 and 791,443,981.60 is: 1,187,165,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,776,000.80 : 1,738,164,001.20 = 791,443,981.60 : x
  2. Step 2: Convert to fraction form
    1,158,776,000.80/1,738,164,001.20 = 791,443,981.60/x
  3. Step 3: Cross multiply
    1,158,776,000.80x = 1,738,164,001.20 × 791,443,981.60
  4. Step 4: Simplify right side
    1,158,776,000.80x = 1,375,659,437,783,515,136
  5. Step 5: Solve for x
    x = 1,375,659,437,783,515,136/1,158,776,000.80
  6. Step 6: Final answer
    x = 1,187,165,972.40

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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.