Home / 86,407,920,459.30-129,611,880,688.95-50,998,927,793.70

Finding the Fourth Proportional to 86,407,920,459.30, 129,611,880,688.95 and 50,998,927,793.70

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Solution

The fourth proportional to 86,407,920,459.30, 129,611,880,688.95 and 50,998,927,793.70 is: 76,498,391,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,920,459.30 : 129,611,880,688.95 = 50,998,927,793.70 : x
  2. Step 2: Convert to fraction form
    86,407,920,459.30/129,611,880,688.95 = 50,998,927,793.70/x
  3. Step 3: Cross multiply
    86,407,920,459.30x = 129,611,880,688.95 × 50,998,927,793.70
  4. Step 4: Simplify right side
    86,407,920,459.30x = 6,610,066,944,461,419,577,344
  5. Step 5: Solve for x
    x = 6,610,066,944,461,419,577,344/86,407,920,459.30
  6. Step 6: Final answer
    x = 76,498,391,690.55

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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.