Home / 8,596,091,986.80-12,894,137,980.20-7,908,121,273.20

Finding the Fourth Proportional to 8,596,091,986.80, 12,894,137,980.20 and 7,908,121,273.20

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Solution

The fourth proportional to 8,596,091,986.80, 12,894,137,980.20 and 7,908,121,273.20 is: 11,862,181,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596,091,986.80 : 12,894,137,980.20 = 7,908,121,273.20 : x
  2. Step 2: Convert to fraction form
    8,596,091,986.80/12,894,137,980.20 = 7,908,121,273.20/x
  3. Step 3: Cross multiply
    8,596,091,986.80x = 12,894,137,980.20 × 7,908,121,273.20
  4. Step 4: Simplify right side
    8,596,091,986.80x = 101,968,406,860,795,707,392
  5. Step 5: Solve for x
    x = 101,968,406,860,795,707,392/8,596,091,986.80
  6. Step 6: Final answer
    x = 11,862,181,909.80

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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.