Home / 766,369,912.10-1,149,554,868.15-443,883,640.10

Finding the Fourth Proportional to 766,369,912.10, 1,149,554,868.15 and 443,883,640.10

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Solution

The fourth proportional to 766,369,912.10, 1,149,554,868.15 and 443,883,640.10 is: 665,825,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,369,912.10 : 1,149,554,868.15 = 443,883,640.10 : x
  2. Step 2: Convert to fraction form
    766,369,912.10/1,149,554,868.15 = 443,883,640.10/x
  3. Step 3: Cross multiply
    766,369,912.10x = 1,149,554,868.15 × 443,883,640.10
  4. Step 4: Simplify right side
    766,369,912.10x = 510,268,599,369,097,600
  5. Step 5: Solve for x
    x = 510,268,599,369,097,600/766,369,912.10
  6. Step 6: Final answer
    x = 665,825,460.15

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Double scale
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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.