Home / 8,404,992,012.80-12,607,488,019.20-8,290,330,227.20

Finding the Fourth Proportional to 8,404,992,012.80, 12,607,488,019.20 and 8,290,330,227.20

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Solution

The fourth proportional to 8,404,992,012.80, 12,607,488,019.20 and 8,290,330,227.20 is: 12,435,495,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,992,012.80 : 12,607,488,019.20 = 8,290,330,227.20 : x
  2. Step 2: Convert to fraction form
    8,404,992,012.80/12,607,488,019.20 = 8,290,330,227.20/x
  3. Step 3: Cross multiply
    8,404,992,012.80x = 12,607,488,019.20 × 8,290,330,227.20
  4. Step 4: Simplify right side
    8,404,992,012.80x = 104,520,239,014,635,618,304
  5. Step 5: Solve for x
    x = 104,520,239,014,635,618,304/8,404,992,012.80
  6. Step 6: Final answer
    x = 12,435,495,340.80

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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.