Home / 7,971,696,602.20-11,957,544,903.30-7,391,221,312.60

Finding the Fourth Proportional to 7,971,696,602.20, 11,957,544,903.30 and 7,391,221,312.60

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Solution

The fourth proportional to 7,971,696,602.20, 11,957,544,903.30 and 7,391,221,312.60 is: 11,086,831,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,696,602.20 : 11,957,544,903.30 = 7,391,221,312.60 : x
  2. Step 2: Convert to fraction form
    7,971,696,602.20/11,957,544,903.30 = 7,391,221,312.60/x
  3. Step 3: Cross multiply
    7,971,696,602.20x = 11,957,544,903.30 × 7,391,221,312.60
  4. Step 4: Simplify right side
    7,971,696,602.20x = 88,380,860,735,642,468,352
  5. Step 5: Solve for x
    x = 88,380,860,735,642,468,352/7,971,696,602.20
  6. Step 6: Final answer
    x = 11,086,831,968.90

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Double scale
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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.