Home / 1,026,531,940.80-1,539,797,911.20-966,065,764.80

Finding the Fourth Proportional to 1,026,531,940.80, 1,539,797,911.20 and 966,065,764.80

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Solution

The fourth proportional to 1,026,531,940.80, 1,539,797,911.20 and 966,065,764.80 is: 1,449,098,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,531,940.80 : 1,539,797,911.20 = 966,065,764.80 : x
  2. Step 2: Convert to fraction form
    1,026,531,940.80/1,539,797,911.20 = 966,065,764.80/x
  3. Step 3: Cross multiply
    1,026,531,940.80x = 1,539,797,911.20 × 966,065,764.80
  4. Step 4: Simplify right side
    1,026,531,940.80x = 1,487,546,046,720,870,400
  5. Step 5: Solve for x
    x = 1,487,546,046,720,870,400/1,026,531,940.80
  6. Step 6: Final answer
    x = 1,449,098,647.20

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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.