Home / 5,432,508,143.55-8,148,762,215.33-1,555,114,607.55

Finding the Fourth Proportional to 5,432,508,143.55, 8,148,762,215.33 and 1,555,114,607.55

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Solution

The fourth proportional to 5,432,508,143.55, 8,148,762,215.33 and 1,555,114,607.55 is: 2,332,671,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,508,143.55 : 8,148,762,215.33 = 1,555,114,607.55 : x
  2. Step 2: Convert to fraction form
    5,432,508,143.55/8,148,762,215.33 = 1,555,114,607.55/x
  3. Step 3: Cross multiply
    5,432,508,143.55x = 8,148,762,215.33 × 1,555,114,607.55
  4. Step 4: Simplify right side
    5,432,508,143.55x = 12,672,259,154,503,405,568
  5. Step 5: Solve for x
    x = 12,672,259,154,503,405,568/5,432,508,143.55
  6. Step 6: Final answer
    x = 2,332,671,911.33

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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.