Home / 8,620,807,856.80-12,931,211,785.20-6,554,565,248.80

Finding the Fourth Proportional to 8,620,807,856.80, 12,931,211,785.20 and 6,554,565,248.80

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Solution

The fourth proportional to 8,620,807,856.80, 12,931,211,785.20 and 6,554,565,248.80 is: 9,831,847,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620,807,856.80 : 12,931,211,785.20 = 6,554,565,248.80 : x
  2. Step 2: Convert to fraction form
    8,620,807,856.80/12,931,211,785.20 = 6,554,565,248.80/x
  3. Step 3: Cross multiply
    8,620,807,856.80x = 12,931,211,785.20 × 6,554,565,248.80
  4. Step 4: Simplify right side
    8,620,807,856.80x = 84,758,471,392,144,932,864
  5. Step 5: Solve for x
    x = 84,758,471,392,144,932,864/8,620,807,856.80
  6. Step 6: Final answer
    x = 9,831,847,873.20

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Double scale
Find fourth proportional to 8,620,807,857.80, 12,931,211,786.70 and 6,554,565,249.80
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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.