Home / 8,596,091,992.80-12,894,137,989.20-7,908,121,279.20

Finding the Fourth Proportional to 8,596,091,992.80, 12,894,137,989.20 and 7,908,121,279.20

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Solution

The fourth proportional to 8,596,091,992.80, 12,894,137,989.20 and 7,908,121,279.20 is: 11,862,181,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596,091,992.80 : 12,894,137,989.20 = 7,908,121,279.20 : x
  2. Step 2: Convert to fraction form
    8,596,091,992.80/12,894,137,989.20 = 7,908,121,279.20/x
  3. Step 3: Cross multiply
    8,596,091,992.80x = 12,894,137,989.20 × 7,908,121,279.20
  4. Step 4: Simplify right side
    8,596,091,992.80x = 101,968,407,009,333,624,832
  5. Step 5: Solve for x
    x = 101,968,407,009,333,624,832/8,596,091,992.80
  6. Step 6: Final answer
    x = 11,862,181,918.80

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Double scale
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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.