Home / 15,680,087,995.20-23,520,131,992.80-7,843,671,585.60

Finding the Fourth Proportional to 15,680,087,995.20, 23,520,131,992.80 and 7,843,671,585.60

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Solution

The fourth proportional to 15,680,087,995.20, 23,520,131,992.80 and 7,843,671,585.60 is: 11,765,507,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,087,995.20 : 23,520,131,992.80 = 7,843,671,585.60 : x
  2. Step 2: Convert to fraction form
    15,680,087,995.20/23,520,131,992.80 = 7,843,671,585.60/x
  3. Step 3: Cross multiply
    15,680,087,995.20x = 23,520,131,992.80 × 7,843,671,585.60
  4. Step 4: Simplify right side
    15,680,087,995.20x = 184,484,191,001,486,852,096
  5. Step 5: Solve for x
    x = 184,484,191,001,486,852,096/15,680,087,995.20
  6. Step 6: Final answer
    x = 11,765,507,378.40

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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.