Home / 836,156,640.30-1,254,153,915.63-253,896,004.14

Finding the Fourth Proportional to 836,156,640.30, 1,254,153,915.63 and 253,896,004.14

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Solution

The fourth proportional to 836,156,640.30, 1,254,153,915.63 and 253,896,004.14 is: 380,819,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,156,640.30 : 1,254,153,915.63 = 253,896,004.14 : x
  2. Step 2: Convert to fraction form
    836,156,640.30/1,254,153,915.63 = 253,896,004.14/x
  3. Step 3: Cross multiply
    836,156,640.30x = 1,254,153,915.63 × 253,896,004.14
  4. Step 4: Simplify right side
    836,156,640.30x = 318,424,667,754,991,680
  5. Step 5: Solve for x
    x = 318,424,667,754,991,680/836,156,640.30
  6. Step 6: Final answer
    x = 380,819,397.24

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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.