Home / 8,252,927,999.70-12,379,391,999.55-5,314,271,846.10

Finding the Fourth Proportional to 8,252,927,999.70, 12,379,391,999.55 and 5,314,271,846.10

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Solution

The fourth proportional to 8,252,927,999.70, 12,379,391,999.55 and 5,314,271,846.10 is: 7,971,407,769.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252,927,999.70 : 12,379,391,999.55 = 5,314,271,846.10 : x
  2. Step 2: Convert to fraction form
    8,252,927,999.70/12,379,391,999.55 = 5,314,271,846.10/x
  3. Step 3: Cross multiply
    8,252,927,999.70x = 12,379,391,999.55 × 5,314,271,846.10
  4. Step 4: Simplify right side
    8,252,927,999.70x = 65,787,454,375,044,153,344
  5. Step 5: Solve for x
    x = 65,787,454,375,044,153,344/8,252,927,999.70
  6. Step 6: Final answer
    x = 7,971,407,769.15

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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.