Home / 402,896,082.80-604,344,124.20-280,452,076.40

Finding the Fourth Proportional to 402,896,082.80, 604,344,124.20 and 280,452,076.40

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Solution

The fourth proportional to 402,896,082.80, 604,344,124.20 and 280,452,076.40 is: 420,678,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,896,082.80 : 604,344,124.20 = 280,452,076.40 : x
  2. Step 2: Convert to fraction form
    402,896,082.80/604,344,124.20 = 280,452,076.40/x
  3. Step 3: Cross multiply
    402,896,082.80x = 604,344,124.20 × 280,452,076.40
  4. Step 4: Simplify right side
    402,896,082.80x = 169,489,564,492,029,472
  5. Step 5: Solve for x
    x = 169,489,564,492,029,472/402,896,082.80
  6. Step 6: Final answer
    x = 420,678,114.60

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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.