Home / 8,159,268,290.40-12,238,902,435.60-2,639,084,335.20

Finding the Fourth Proportional to 8,159,268,290.40, 12,238,902,435.60 and 2,639,084,335.20

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Solution

The fourth proportional to 8,159,268,290.40, 12,238,902,435.60 and 2,639,084,335.20 is: 3,958,626,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,268,290.40 : 12,238,902,435.60 = 2,639,084,335.20 : x
  2. Step 2: Convert to fraction form
    8,159,268,290.40/12,238,902,435.60 = 2,639,084,335.20/x
  3. Step 3: Cross multiply
    8,159,268,290.40x = 12,238,902,435.60 × 2,639,084,335.20
  4. Step 4: Simplify right side
    8,159,268,290.40x = 32,299,495,697,833,086,976
  5. Step 5: Solve for x
    x = 32,299,495,697,833,086,976/8,159,268,290.40
  6. Step 6: Final answer
    x = 3,958,626,502.80

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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.