Home / 605,216,903.40-907,825,355.10-360,328,890.60

Finding the Fourth Proportional to 605,216,903.40, 907,825,355.10 and 360,328,890.60

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Solution

The fourth proportional to 605,216,903.40, 907,825,355.10 and 360,328,890.60 is: 540,493,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,216,903.40 : 907,825,355.10 = 360,328,890.60 : x
  2. Step 2: Convert to fraction form
    605,216,903.40/907,825,355.10 = 360,328,890.60/x
  3. Step 3: Cross multiply
    605,216,903.40x = 907,825,355.10 × 360,328,890.60
  4. Step 4: Simplify right side
    605,216,903.40x = 327,115,703,061,734,080
  5. Step 5: Solve for x
    x = 327,115,703,061,734,080/605,216,903.40
  6. Step 6: Final answer
    x = 540,493,335.90

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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.