Home / 15,538,183,100.10-23,307,274,650.15-13,742,337,672.90

Finding the Fourth Proportional to 15,538,183,100.10, 23,307,274,650.15 and 13,742,337,672.90

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Solution

The fourth proportional to 15,538,183,100.10, 23,307,274,650.15 and 13,742,337,672.90 is: 20,613,506,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538,183,100.10 : 23,307,274,650.15 = 13,742,337,672.90 : x
  2. Step 2: Convert to fraction form
    15,538,183,100.10/23,307,274,650.15 = 13,742,337,672.90/x
  3. Step 3: Cross multiply
    15,538,183,100.10x = 23,307,274,650.15 × 13,742,337,672.90
  4. Step 4: Simplify right side
    15,538,183,100.10x = 320,296,438,477,383,532,544
  5. Step 5: Solve for x
    x = 320,296,438,477,383,532,544/15,538,183,100.10
  6. Step 6: Final answer
    x = 20,613,506,509.35

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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.