Home / 674,727,219.20-1,011,418,982.40-310,586,470.40

Finding the Fourth Proportional to 674,727,219.20, 1,011,418,982.40 and 310,586,470.40

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Solution

The fourth proportional to 674,727,219.20, 1,011,418,982.40 and 310,586,470.40 is: 465,570,445.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,727,219.20 : 1,011,418,982.40 = 310,586,470.40 : x
  2. Step 2: Convert to fraction form
    674,727,219.20/1,011,418,982.40 = 310,586,470.40/x
  3. Step 3: Cross multiply
    674,727,219.20x = 1,011,418,982.40 × 310,586,470.40
  4. Step 4: Simplify right side
    674,727,219.20x = 314,133,051,839,175,680
  5. Step 5: Solve for x
    x = 314,133,051,839,175,680/674,727,219.20
  6. Step 6: Final answer
    x = 465,570,445.21

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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.