Home / 398,584,022.40-550,033,459.20-233,681,414.40

Finding the Fourth Proportional to 398,584,022.40, 550,033,459.20 and 233,681,414.40

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Solution

The fourth proportional to 398,584,022.40, 550,033,459.20 and 233,681,414.40 is: 322,473,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,584,022.40 : 550,033,459.20 = 233,681,414.40 : x
  2. Step 2: Convert to fraction form
    398,584,022.40/550,033,459.20 = 233,681,414.40/x
  3. Step 3: Cross multiply
    398,584,022.40x = 550,033,459.20 × 233,681,414.40
  4. Step 4: Simplify right side
    398,584,022.40x = 128,532,596,713,180,704
  5. Step 5: Solve for x
    x = 128,532,596,713,180,704/398,584,022.40
  6. Step 6: Final answer
    x = 322,473,028.24

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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.