Home / 279,269,015,697.73-418,903,529,089.53-67,033,148,227.15

Finding the Fourth Proportional to 279,269,015,697.73, 418,903,529,089.53 and 67,033,148,227.15

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Solution

The fourth proportional to 279,269,015,697.73, 418,903,529,089.53 and 67,033,148,227.15 is: 100,549,723,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,269,015,697.73 : 418,903,529,089.53 = 67,033,148,227.15 : x
  2. Step 2: Convert to fraction form
    279,269,015,697.73/418,903,529,089.53 = 67,033,148,227.15/x
  3. Step 3: Cross multiply
    279,269,015,697.73x = 418,903,529,089.53 × 67,033,148,227.15
  4. Step 4: Simplify right side
    279,269,015,697.73x = 28,080,422,358,334,708,908,032
  5. Step 5: Solve for x
    x = 28,080,422,358,334,708,908,032/279,269,015,697.73
  6. Step 6: Final answer
    x = 100,549,723,671.20

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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.