Home / 869,465,206.40-1,304,197,809.60-579,227,561.60

Finding the Fourth Proportional to 869,465,206.40, 1,304,197,809.60 and 579,227,561.60

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Solution

The fourth proportional to 869,465,206.40, 1,304,197,809.60 and 579,227,561.60 is: 868,841,342.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,465,206.40 : 1,304,197,809.60 = 579,227,561.60 : x
  2. Step 2: Convert to fraction form
    869,465,206.40/1,304,197,809.60 = 579,227,561.60/x
  3. Step 3: Cross multiply
    869,465,206.40x = 1,304,197,809.60 × 579,227,561.60
  4. Step 4: Simplify right side
    869,465,206.40x = 755,427,317,098,669,056
  5. Step 5: Solve for x
    x = 755,427,317,098,669,056/869,465,206.40
  6. Step 6: Final answer
    x = 868,841,342.40

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Double scale
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Similar ratio
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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.