Home / 8,159,267,999.40-12,238,901,999.10-2,639,084,044.20

Finding the Fourth Proportional to 8,159,267,999.40, 12,238,901,999.10 and 2,639,084,044.20

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Solution

The fourth proportional to 8,159,267,999.40, 12,238,901,999.10 and 2,639,084,044.20 is: 3,958,626,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,267,999.40 : 12,238,901,999.10 = 2,639,084,044.20 : x
  2. Step 2: Convert to fraction form
    8,159,267,999.40/12,238,901,999.10 = 2,639,084,044.20/x
  3. Step 3: Cross multiply
    8,159,267,999.40x = 12,238,901,999.10 × 2,639,084,044.20
  4. Step 4: Simplify right side
    8,159,267,999.40x = 32,299,490,984,352,292,864
  5. Step 5: Solve for x
    x = 32,299,490,984,352,292,864/8,159,267,999.40
  6. Step 6: Final answer
    x = 3,958,626,066.30

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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.