Home / 265,536,015.40-398,304,023.10-193,260,039.40

Finding the Fourth Proportional to 265,536,015.40, 398,304,023.10 and 193,260,039.40

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Solution

The fourth proportional to 265,536,015.40, 398,304,023.10 and 193,260,039.40 is: 289,890,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,536,015.40 : 398,304,023.10 = 193,260,039.40 : x
  2. Step 2: Convert to fraction form
    265,536,015.40/398,304,023.10 = 193,260,039.40/x
  3. Step 3: Cross multiply
    265,536,015.40x = 398,304,023.10 × 193,260,039.40
  4. Step 4: Simplify right side
    265,536,015.40x = 76,976,251,197,484,512
  5. Step 5: Solve for x
    x = 76,976,251,197,484,512/265,536,015.40
  6. Step 6: Final answer
    x = 289,890,059.10

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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.