Home / 1,074,521,034.40-1,610,985,289.20-728,611,376.80

Finding the Fourth Proportional to 1,074,521,034.40, 1,610,985,289.20 and 728,611,376.80

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Solution

The fourth proportional to 1,074,521,034.40, 1,610,985,289.20 and 728,611,376.80 is: 1,092,377,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,521,034.40 : 1,610,985,289.20 = 728,611,376.80 : x
  2. Step 2: Convert to fraction form
    1,074,521,034.40/1,610,985,289.20 = 728,611,376.80/x
  3. Step 3: Cross multiply
    1,074,521,034.40x = 1,610,985,289.20 × 728,611,376.80
  4. Step 4: Simplify right side
    1,074,521,034.40x = 1,173,782,209,568,558,080
  5. Step 5: Solve for x
    x = 1,173,782,209,568,558,080/1,074,521,034.40
  6. Step 6: Final answer
    x = 1,092,377,135.48

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Double scale
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1.5x scale

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.