Home / 10,971,305,905.38-15,140,144,635.62-6,455,477,445.54

Finding the Fourth Proportional to 10,971,305,905.38, 15,140,144,635.62 and 6,455,477,445.54

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Solution

The fourth proportional to 10,971,305,905.38, 15,140,144,635.62 and 6,455,477,445.54 is: 8,908,407,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971,305,905.38 : 15,140,144,635.62 = 6,455,477,445.54 : x
  2. Step 2: Convert to fraction form
    10,971,305,905.38/15,140,144,635.62 = 6,455,477,445.54/x
  3. Step 3: Cross multiply
    10,971,305,905.38x = 15,140,144,635.62 × 6,455,477,445.54
  4. Step 4: Simplify right side
    10,971,305,905.38x = 97,736,862,217,458,335,744
  5. Step 5: Solve for x
    x = 97,736,862,217,458,335,744/10,971,305,905.38
  6. Step 6: Final answer
    x = 8,908,407,354.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.