Home / 621,617,013.55-857,834,218.59-343,160,825.23

Finding the Fourth Proportional to 621,617,013.55, 857,834,218.59 and 343,160,825.23

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Solution

The fourth proportional to 621,617,013.55, 857,834,218.59 and 343,160,825.23 is: 473,563,451.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,617,013.55 : 857,834,218.59 = 343,160,825.23 : x
  2. Step 2: Convert to fraction form
    621,617,013.55/857,834,218.59 = 343,160,825.23/x
  3. Step 3: Cross multiply
    621,617,013.55x = 857,834,218.59 × 343,160,825.23
  4. Step 4: Simplify right side
    621,617,013.55x = 294,375,098,358,754,112
  5. Step 5: Solve for x
    x = 294,375,098,358,754,112/621,617,013.55
  6. Step 6: Final answer
    x = 473,563,451.36

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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.