Home / 354,287,712.90-531,431,569.35-282,624,096.90

Finding the Fourth Proportional to 354,287,712.90, 531,431,569.35 and 282,624,096.90

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Solution

The fourth proportional to 354,287,712.90, 531,431,569.35 and 282,624,096.90 is: 423,936,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,712.90 : 531,431,569.35 = 282,624,096.90 : x
  2. Step 2: Convert to fraction form
    354,287,712.90/531,431,569.35 = 282,624,096.90/x
  3. Step 3: Cross multiply
    354,287,712.90x = 531,431,569.35 × 282,624,096.90
  4. Step 4: Simplify right side
    354,287,712.90x = 150,195,367,351,693,472
  5. Step 5: Solve for x
    x = 150,195,367,351,693,472/354,287,712.90
  6. Step 6: Final answer
    x = 423,936,145.35

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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.