Home / 10,779,928,458.93-16,155,438,964.56-8,389,766,112.92

Finding the Fourth Proportional to 10,779,928,458.93, 16,155,438,964.56 and 8,389,766,112.92

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Solution

The fourth proportional to 10,779,928,458.93, 16,155,438,964.56 and 8,389,766,112.92 is: 12,573,400,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,928,458.93 : 16,155,438,964.56 = 8,389,766,112.92 : x
  2. Step 2: Convert to fraction form
    10,779,928,458.93/16,155,438,964.56 = 8,389,766,112.92/x
  3. Step 3: Cross multiply
    10,779,928,458.93x = 16,155,438,964.56 × 8,389,766,112.92
  4. Step 4: Simplify right side
    10,779,928,458.93x = 135,540,354,364,193,472,512
  5. Step 5: Solve for x
    x = 135,540,354,364,193,472,512/10,779,928,458.93
  6. Step 6: Final answer
    x = 12,573,400,174.28

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Double scale
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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.