Home / 462,389,141.28-693,098,195.76-155,574,736.32

Finding the Fourth Proportional to 462,389,141.28, 693,098,195.76 and 155,574,736.32

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Solution

The fourth proportional to 462,389,141.28, 693,098,195.76 and 155,574,736.32 is: 233,198,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,389,141.28 : 693,098,195.76 = 155,574,736.32 : x
  2. Step 2: Convert to fraction form
    462,389,141.28/693,098,195.76 = 155,574,736.32/x
  3. Step 3: Cross multiply
    462,389,141.28x = 693,098,195.76 × 155,574,736.32
  4. Step 4: Simplify right side
    462,389,141.28x = 107,828,569,049,229,728
  5. Step 5: Solve for x
    x = 107,828,569,049,229,728/462,389,141.28
  6. Step 6: Final answer
    x = 233,198,748.46

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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.