Home / 1,680,551,676.90-2,519,126,904.15-990,103,529.70

Finding the Fourth Proportional to 1,680,551,676.90, 2,519,126,904.15 and 990,103,529.70

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Solution

The fourth proportional to 1,680,551,676.90, 2,519,126,904.15 and 990,103,529.70 is: 1,484,153,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,551,676.90 : 2,519,126,904.15 = 990,103,529.70 : x
  2. Step 2: Convert to fraction form
    1,680,551,676.90/2,519,126,904.15 = 990,103,529.70/x
  3. Step 3: Cross multiply
    1,680,551,676.90x = 2,519,126,904.15 × 990,103,529.70
  4. Step 4: Simplify right side
    1,680,551,676.90x = 2,494,196,439,561,148,928
  5. Step 5: Solve for x
    x = 2,494,196,439,561,148,928/1,680,551,676.90
  6. Step 6: Final answer
    x = 1,484,153,372.87

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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.