Home / 10,097,980,091.28-13,934,945,215.08-5,642,681,078.16

Finding the Fourth Proportional to 10,097,980,091.28, 13,934,945,215.08 and 5,642,681,078.16

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Solution

The fourth proportional to 10,097,980,091.28, 13,934,945,215.08 and 5,642,681,078.16 is: 7,786,750,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097,980,091.28 : 13,934,945,215.08 = 5,642,681,078.16 : x
  2. Step 2: Convert to fraction form
    10,097,980,091.28/13,934,945,215.08 = 5,642,681,078.16/x
  3. Step 3: Cross multiply
    10,097,980,091.28x = 13,934,945,215.08 × 5,642,681,078.16
  4. Step 4: Simplify right side
    10,097,980,091.28x = 78,630,451,690,328,145,920
  5. Step 5: Solve for x
    x = 78,630,451,690,328,145,920/10,097,980,091.28
  6. Step 6: Final answer
    x = 7,786,750,516.40

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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.