Home / 661,424,966.09-912,759,209.70-364,060,850.57

Finding the Fourth Proportional to 661,424,966.09, 912,759,209.70 and 364,060,850.57

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Solution

The fourth proportional to 661,424,966.09, 912,759,209.70 and 364,060,850.57 is: 502,399,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,966.09 : 912,759,209.70 = 364,060,850.57 : x
  2. Step 2: Convert to fraction form
    661,424,966.09/912,759,209.70 = 364,060,850.57/x
  3. Step 3: Cross multiply
    661,424,966.09x = 912,759,209.70 × 364,060,850.57
  4. Step 4: Simplify right side
    661,424,966.09x = 332,299,894,244,419,200
  5. Step 5: Solve for x
    x = 332,299,894,244,419,200/661,424,966.09
  6. Step 6: Final answer
    x = 502,399,986.82

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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.