Home / 494,748,007.65-742,122,011.48-472,073,191.65

Finding the Fourth Proportional to 494,748,007.65, 742,122,011.48 and 472,073,191.65

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Solution

The fourth proportional to 494,748,007.65, 742,122,011.48 and 472,073,191.65 is: 708,109,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,748,007.65 : 742,122,011.48 = 472,073,191.65 : x
  2. Step 2: Convert to fraction form
    494,748,007.65/742,122,011.48 = 472,073,191.65/x
  3. Step 3: Cross multiply
    494,748,007.65x = 742,122,011.48 × 472,073,191.65
  4. Step 4: Simplify right side
    494,748,007.65x = 350,335,906,550,721,152
  5. Step 5: Solve for x
    x = 350,335,906,550,721,152/494,748,007.65
  6. Step 6: Final answer
    x = 708,109,787.48

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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.