Home / 8,718,036,385.60-12,037,745,162.40-7,019,094,280

Finding the Fourth Proportional to 8,718,036,385.60, 12,037,745,162.40 and 7,019,094,280

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Solution

The fourth proportional to 8,718,036,385.60, 12,037,745,162.40 and 7,019,094,280 is: 9,691,869,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,036,385.60 : 12,037,745,162.40 = 7,019,094,280 : x
  2. Step 2: Convert to fraction form
    8,718,036,385.60/12,037,745,162.40 = 7,019,094,280/x
  3. Step 3: Cross multiply
    8,718,036,385.60x = 12,037,745,162.40 × 7,019,094,280
  4. Step 4: Simplify right side
    8,718,036,385.60x = 84,494,068,213,499,510,784
  5. Step 5: Solve for x
    x = 84,494,068,213,499,510,784/8,718,036,385.60
  6. Step 6: Final answer
    x = 9,691,869,186.63

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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.