Home / 284,759,728.58-392,983,683.28-159,304,440.50

Finding the Fourth Proportional to 284,759,728.58, 392,983,683.28 and 159,304,440.50

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Solution

The fourth proportional to 284,759,728.58, 392,983,683.28 and 159,304,440.50 is: 219,848,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,759,728.58 : 392,983,683.28 = 159,304,440.50 : x
  2. Step 2: Convert to fraction form
    284,759,728.58/392,983,683.28 = 159,304,440.50/x
  3. Step 3: Cross multiply
    284,759,728.58x = 392,983,683.28 × 159,304,440.50
  4. Step 4: Simplify right side
    284,759,728.58x = 62,604,045,790,549,600
  5. Step 5: Solve for x
    x = 62,604,045,790,549,600/284,759,728.58
  6. Step 6: Final answer
    x = 219,848,663.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.