Home / 15,000,447,474.19-20,698,714,892.23-8,224,482,972.25

Finding the Fourth Proportional to 15,000,447,474.19, 20,698,714,892.23 and 8,224,482,972.25

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Solution

The fourth proportional to 15,000,447,474.19, 20,698,714,892.23 and 8,224,482,972.25 is: 11,348,743,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,447,474.19 : 20,698,714,892.23 = 8,224,482,972.25 : x
  2. Step 2: Convert to fraction form
    15,000,447,474.19/20,698,714,892.23 = 8,224,482,972.25/x
  3. Step 3: Cross multiply
    15,000,447,474.19x = 20,698,714,892.23 × 8,224,482,972.25
  4. Step 4: Simplify right side
    15,000,447,474.19x = 170,236,228,178,663,079,936
  5. Step 5: Solve for x
    x = 170,236,228,178,663,079,936/15,000,447,474.19
  6. Step 6: Final answer
    x = 11,348,743,327.26

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Double scale
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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.