Home / 12,991,544,536.32-17,928,503,452.80-7,051,168,247.04

Finding the Fourth Proportional to 12,991,544,536.32, 17,928,503,452.80 and 7,051,168,247.04

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Solution

The fourth proportional to 12,991,544,536.32, 17,928,503,452.80 and 7,051,168,247.04 is: 9,730,705,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,544,536.32 : 17,928,503,452.80 = 7,051,168,247.04 : x
  2. Step 2: Convert to fraction form
    12,991,544,536.32/17,928,503,452.80 = 7,051,168,247.04/x
  3. Step 3: Cross multiply
    12,991,544,536.32x = 17,928,503,452.80 × 7,051,168,247.04
  4. Step 4: Simplify right side
    12,991,544,536.32x = 126,416,894,263,330,357,248
  5. Step 5: Solve for x
    x = 126,416,894,263,330,357,248/12,991,544,536.32
  6. Step 6: Final answer
    x = 9,730,705,530.04

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Double scale
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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.