Home / 354,304,534.40-531,456,801.60-267,006,492.80

Finding the Fourth Proportional to 354,304,534.40, 531,456,801.60 and 267,006,492.80

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Solution

The fourth proportional to 354,304,534.40, 531,456,801.60 and 267,006,492.80 is: 400,509,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,304,534.40 : 531,456,801.60 = 267,006,492.80 : x
  2. Step 2: Convert to fraction form
    354,304,534.40/531,456,801.60 = 267,006,492.80/x
  3. Step 3: Cross multiply
    354,304,534.40x = 531,456,801.60 × 267,006,492.80
  4. Step 4: Simplify right side
    354,304,534.40x = 141,902,416,669,921,440
  5. Step 5: Solve for x
    x = 141,902,416,669,921,440/354,304,534.40
  6. Step 6: Final answer
    x = 400,509,739.20

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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.