Home / 12,412,117,346.70-18,627,245,946.45-8,738,797,154.70

Finding the Fourth Proportional to 12,412,117,346.70, 18,627,245,946.45 and 8,738,797,154.70

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Solution

The fourth proportional to 12,412,117,346.70, 18,627,245,946.45 and 8,738,797,154.70 is: 13,114,581,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,117,346.70 : 18,627,245,946.45 = 8,738,797,154.70 : x
  2. Step 2: Convert to fraction form
    12,412,117,346.70/18,627,245,946.45 = 8,738,797,154.70/x
  3. Step 3: Cross multiply
    12,412,117,346.70x = 18,627,245,946.45 × 8,738,797,154.70
  4. Step 4: Simplify right side
    12,412,117,346.70x = 162,779,723,876,734,402,560
  5. Step 5: Solve for x
    x = 162,779,723,876,734,402,560/12,412,117,346.70
  6. Step 6: Final answer
    x = 13,114,581,447.30

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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.