Home / 10,052,006,947.70-15,078,010,421.55-9,087,760,397.30

Finding the Fourth Proportional to 10,052,006,947.70, 15,078,010,421.55 and 9,087,760,397.30

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Solution

The fourth proportional to 10,052,006,947.70, 15,078,010,421.55 and 9,087,760,397.30 is: 13,631,640,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052,006,947.70 : 15,078,010,421.55 = 9,087,760,397.30 : x
  2. Step 2: Convert to fraction form
    10,052,006,947.70/15,078,010,421.55 = 9,087,760,397.30/x
  3. Step 3: Cross multiply
    10,052,006,947.70x = 15,078,010,421.55 × 9,087,760,397.30
  4. Step 4: Simplify right side
    10,052,006,947.70x = 137,025,345,979,038,744,576
  5. Step 5: Solve for x
    x = 137,025,345,979,038,744,576/10,052,006,947.70
  6. Step 6: Final answer
    x = 13,631,640,595.95

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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.