Home / 7,645,439,372.12-10,551,236,607.59-4,634,818,965.89

Finding the Fourth Proportional to 7,645,439,372.12, 10,551,236,607.59 and 4,634,818,965.89

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Solution

The fourth proportional to 7,645,439,372.12, 10,551,236,607.59 and 4,634,818,965.89 is: 6,396,371,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645,439,372.12 : 10,551,236,607.59 = 4,634,818,965.89 : x
  2. Step 2: Convert to fraction form
    7,645,439,372.12/10,551,236,607.59 = 4,634,818,965.89/x
  3. Step 3: Cross multiply
    7,645,439,372.12x = 10,551,236,607.59 × 4,634,818,965.89
  4. Step 4: Simplify right side
    7,645,439,372.12x = 48,903,071,542,451,003,392
  5. Step 5: Solve for x
    x = 48,903,071,542,451,003,392/7,645,439,372.12
  6. Step 6: Final answer
    x = 6,396,371,635.72

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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.