Home / 6,551,209,806.40-9,826,814,709.60-4,347,217,691.20

Finding the Fourth Proportional to 6,551,209,806.40, 9,826,814,709.60 and 4,347,217,691.20

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Solution

The fourth proportional to 6,551,209,806.40, 9,826,814,709.60 and 4,347,217,691.20 is: 6,520,826,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,209,806.40 : 9,826,814,709.60 = 4,347,217,691.20 : x
  2. Step 2: Convert to fraction form
    6,551,209,806.40/9,826,814,709.60 = 4,347,217,691.20/x
  3. Step 3: Cross multiply
    6,551,209,806.40x = 9,826,814,709.60 × 4,347,217,691.20
  4. Step 4: Simplify right side
    6,551,209,806.40x = 42,719,302,753,717,510,144
  5. Step 5: Solve for x
    x = 42,719,302,753,717,510,144/6,551,209,806.40
  6. Step 6: Final answer
    x = 6,520,826,536.80

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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.