Home / 1,174,394,998.32-1,620,711,793.08-645,802,321.20

Finding the Fourth Proportional to 1,174,394,998.32, 1,620,711,793.08 and 645,802,321.20

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Solution

The fourth proportional to 1,174,394,998.32, 1,620,711,793.08 and 645,802,321.20 is: 891,232,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,394,998.32 : 1,620,711,793.08 = 645,802,321.20 : x
  2. Step 2: Convert to fraction form
    1,174,394,998.32/1,620,711,793.08 = 645,802,321.20/x
  3. Step 3: Cross multiply
    1,174,394,998.32x = 1,620,711,793.08 × 645,802,321.20
  4. Step 4: Simplify right side
    1,174,394,998.32x = 1,046,659,437,967,278,080
  5. Step 5: Solve for x
    x = 1,046,659,437,967,278,080/1,174,394,998.32
  6. Step 6: Final answer
    x = 891,232,881.16

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Double scale
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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.