Home / 874,128,392.61-1,206,300,317.39-477,651,373.95

Finding the Fourth Proportional to 874,128,392.61, 1,206,300,317.39 and 477,651,373.95

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Solution

The fourth proportional to 874,128,392.61, 1,206,300,317.39 and 477,651,373.95 is: 659,160,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,128,392.61 : 1,206,300,317.39 = 477,651,373.95 : x
  2. Step 2: Convert to fraction form
    874,128,392.61/1,206,300,317.39 = 477,651,373.95/x
  3. Step 3: Cross multiply
    874,128,392.61x = 1,206,300,317.39 × 477,651,373.95
  4. Step 4: Simplify right side
    874,128,392.61x = 576,191,003,995,266,304
  5. Step 5: Solve for x
    x = 576,191,003,995,266,304/874,128,392.61
  6. Step 6: Final answer
    x = 659,160,609.43

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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.