Home / 2,986,007,999.60-4,479,011,999.40-916,049,241.20

Finding the Fourth Proportional to 2,986,007,999.60, 4,479,011,999.40 and 916,049,241.20

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Solution

The fourth proportional to 2,986,007,999.60, 4,479,011,999.40 and 916,049,241.20 is: 1,374,073,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,007,999.60 : 4,479,011,999.40 = 916,049,241.20 : x
  2. Step 2: Convert to fraction form
    2,986,007,999.60/4,479,011,999.40 = 916,049,241.20/x
  3. Step 3: Cross multiply
    2,986,007,999.60x = 4,479,011,999.40 × 916,049,241.20
  4. Step 4: Simplify right side
    2,986,007,999.60x = 4,102,995,543,376,064,512
  5. Step 5: Solve for x
    x = 4,102,995,543,376,064,512/2,986,007,999.60
  6. Step 6: Final answer
    x = 1,374,073,861.80

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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.