Home / 661,424,957.70-912,759,198.21-364,060,842.18

Finding the Fourth Proportional to 661,424,957.70, 912,759,198.21 and 364,060,842.18

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Solution

The fourth proportional to 661,424,957.70, 912,759,198.21 and 364,060,842.18 is: 502,399,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,957.70 : 912,759,198.21 = 364,060,842.18 : x
  2. Step 2: Convert to fraction form
    661,424,957.70/912,759,198.21 = 364,060,842.18/x
  3. Step 3: Cross multiply
    661,424,957.70x = 912,759,198.21 × 364,060,842.18
  4. Step 4: Simplify right side
    661,424,957.70x = 332,299,882,407,874,176
  5. Step 5: Solve for x
    x = 332,299,882,407,874,176/661,424,957.70
  6. Step 6: Final answer
    x = 502,399,975.29

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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.