Home / 386,384,715.60-579,577,073.40-348,164,120.40

Finding the Fourth Proportional to 386,384,715.60, 579,577,073.40 and 348,164,120.40

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Solution

The fourth proportional to 386,384,715.60, 579,577,073.40 and 348,164,120.40 is: 522,246,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,384,715.60 : 579,577,073.40 = 348,164,120.40 : x
  2. Step 2: Convert to fraction form
    386,384,715.60/579,577,073.40 = 348,164,120.40/x
  3. Step 3: Cross multiply
    386,384,715.60x = 579,577,073.40 × 348,164,120.40
  4. Step 4: Simplify right side
    386,384,715.60x = 201,787,941,964,317,216
  5. Step 5: Solve for x
    x = 201,787,941,964,317,216/386,384,715.60
  6. Step 6: Final answer
    x = 522,246,180.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.