Home / 691,314,342.11-954,087,724.55-423,567,862.47

Finding the Fourth Proportional to 691,314,342.11, 954,087,724.55 and 423,567,862.47

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Solution

The fourth proportional to 691,314,342.11, 954,087,724.55 and 423,567,862.47 is: 584,568,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,314,342.11 : 954,087,724.55 = 423,567,862.47 : x
  2. Step 2: Convert to fraction form
    691,314,342.11/954,087,724.55 = 423,567,862.47/x
  3. Step 3: Cross multiply
    691,314,342.11x = 954,087,724.55 × 423,567,862.47
  4. Step 4: Simplify right side
    691,314,342.11x = 404,120,898,095,188,160
  5. Step 5: Solve for x
    x = 404,120,898,095,188,160/691,314,342.11
  6. Step 6: Final answer
    x = 584,568,948.56

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1.5x scale

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.