Home / 7,558,287,078.70-11,337,430,618.05-5,191,036,288.30

Finding the Fourth Proportional to 7,558,287,078.70, 11,337,430,618.05 and 5,191,036,288.30

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Solution

The fourth proportional to 7,558,287,078.70, 11,337,430,618.05 and 5,191,036,288.30 is: 7,786,554,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558,287,078.70 : 11,337,430,618.05 = 5,191,036,288.30 : x
  2. Step 2: Convert to fraction form
    7,558,287,078.70/11,337,430,618.05 = 5,191,036,288.30/x
  3. Step 3: Cross multiply
    7,558,287,078.70x = 11,337,430,618.05 × 5,191,036,288.30
  4. Step 4: Simplify right side
    7,558,287,078.70x = 58,853,013,754,381,041,664
  5. Step 5: Solve for x
    x = 58,853,013,754,381,041,664/7,558,287,078.70
  6. Step 6: Final answer
    x = 7,786,554,432.45

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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.