Home / 265,536,014.40-398,304,021.60-193,260,038.40

Finding the Fourth Proportional to 265,536,014.40, 398,304,021.60 and 193,260,038.40

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Solution

The fourth proportional to 265,536,014.40, 398,304,021.60 and 193,260,038.40 is: 289,890,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,536,014.40 : 398,304,021.60 = 193,260,038.40 : x
  2. Step 2: Convert to fraction form
    265,536,014.40/398,304,021.60 = 193,260,038.40/x
  3. Step 3: Cross multiply
    265,536,014.40x = 398,304,021.60 × 193,260,038.40
  4. Step 4: Simplify right side
    265,536,014.40x = 76,976,250,509,290,432
  5. Step 5: Solve for x
    x = 76,976,250,509,290,432/265,536,014.40
  6. Step 6: Final answer
    x = 289,890,057.60

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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.