Home / 1,545,006,860.76-2,132,165,535.42-885,084,684.60

Finding the Fourth Proportional to 1,545,006,860.76, 2,132,165,535.42 and 885,084,684.60

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Solution

The fourth proportional to 1,545,006,860.76, 2,132,165,535.42 and 885,084,684.60 is: 1,221,448,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,006,860.76 : 2,132,165,535.42 = 885,084,684.60 : x
  2. Step 2: Convert to fraction form
    1,545,006,860.76/2,132,165,535.42 = 885,084,684.60/x
  3. Step 3: Cross multiply
    1,545,006,860.76x = 2,132,165,535.42 × 885,084,684.60
  4. Step 4: Simplify right side
    1,545,006,860.76x = 1,887,147,060,432,200,960
  5. Step 5: Solve for x
    x = 1,887,147,060,432,200,960/1,545,006,860.76
  6. Step 6: Final answer
    x = 1,221,448,984.05

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Double scale
Find fourth proportional to 1,545,006,861.76, 2,132,165,536.80 and 885,084,685.60
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.