Home / 1,187,136,040.40-1,780,704,060.60-1,060,157,070.80

Finding the Fourth Proportional to 1,187,136,040.40, 1,780,704,060.60 and 1,060,157,070.80

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Solution

The fourth proportional to 1,187,136,040.40, 1,780,704,060.60 and 1,060,157,070.80 is: 1,590,235,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,136,040.40 : 1,780,704,060.60 = 1,060,157,070.80 : x
  2. Step 2: Convert to fraction form
    1,187,136,040.40/1,780,704,060.60 = 1,060,157,070.80/x
  3. Step 3: Cross multiply
    1,187,136,040.40x = 1,780,704,060.60 × 1,060,157,070.80
  4. Step 4: Simplify right side
    1,187,136,040.40x = 1,887,826,000,847,361,536
  5. Step 5: Solve for x
    x = 1,887,826,000,847,361,536/1,187,136,040.40
  6. Step 6: Final answer
    x = 1,590,235,606.20

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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.