Home / 489,916,062.10-734,023,787.55-317,304,025.30

Finding the Fourth Proportional to 489,916,062.10, 734,023,787.55 and 317,304,025.30

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Solution

The fourth proportional to 489,916,062.10, 734,023,787.55 and 317,304,025.30 is: 475,405,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,916,062.10 : 734,023,787.55 = 317,304,025.30 : x
  2. Step 2: Convert to fraction form
    489,916,062.10/734,023,787.55 = 317,304,025.30/x
  3. Step 3: Cross multiply
    489,916,062.10x = 734,023,787.55 × 317,304,025.30
  4. Step 4: Simplify right side
    489,916,062.10x = 232,908,702,455,567,008
  5. Step 5: Solve for x
    x = 232,908,702,455,567,008/489,916,062.10
  6. Step 6: Final answer
    x = 475,405,320.37

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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.