Home / 862,815,005.70-1,294,222,508.55-719,325,935.70

Finding the Fourth Proportional to 862,815,005.70, 1,294,222,508.55 and 719,325,935.70

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Solution

The fourth proportional to 862,815,005.70, 1,294,222,508.55 and 719,325,935.70 is: 1,078,988,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,815,005.70 : 1,294,222,508.55 = 719,325,935.70 : x
  2. Step 2: Convert to fraction form
    862,815,005.70/1,294,222,508.55 = 719,325,935.70/x
  3. Step 3: Cross multiply
    862,815,005.70x = 1,294,222,508.55 × 719,325,935.70
  4. Step 4: Simplify right side
    862,815,005.70x = 930,967,816,966,729,984
  5. Step 5: Solve for x
    x = 930,967,816,966,729,984/862,815,005.70
  6. Step 6: Final answer
    x = 1,078,988,903.55

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Double scale
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Similar ratio
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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.