Home / 8,404,992,330.80-12,607,488,496.20-8,290,330,545.20

Finding the Fourth Proportional to 8,404,992,330.80, 12,607,488,496.20 and 8,290,330,545.20

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Solution

The fourth proportional to 8,404,992,330.80, 12,607,488,496.20 and 8,290,330,545.20 is: 12,435,495,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404,992,330.80 : 12,607,488,496.20 = 8,290,330,545.20 : x
  2. Step 2: Convert to fraction form
    8,404,992,330.80/12,607,488,496.20 = 8,290,330,545.20/x
  3. Step 3: Cross multiply
    8,404,992,330.80x = 12,607,488,496.20 × 8,290,330,545.20
  4. Step 4: Simplify right side
    8,404,992,330.80x = 104,520,246,978,304,475,136
  5. Step 5: Solve for x
    x = 104,520,246,978,304,475,136/8,404,992,330.80
  6. Step 6: Final answer
    x = 12,435,495,817.80

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Double scale
Find fourth proportional to 8,404,992,331.80, 12,607,488,497.70 and 8,290,330,546.20
Similar ratio
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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.