Home / 605,216,883.40-907,825,325.10-360,328,870.60

Finding the Fourth Proportional to 605,216,883.40, 907,825,325.10 and 360,328,870.60

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Solution

The fourth proportional to 605,216,883.40, 907,825,325.10 and 360,328,870.60 is: 540,493,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,216,883.40 : 907,825,325.10 = 360,328,870.60 : x
  2. Step 2: Convert to fraction form
    605,216,883.40/907,825,325.10 = 360,328,870.60/x
  3. Step 3: Cross multiply
    605,216,883.40x = 907,825,325.10 × 360,328,870.60
  4. Step 4: Simplify right side
    605,216,883.40x = 327,115,674,095,360,832
  5. Step 5: Solve for x
    x = 327,115,674,095,360,832/605,216,883.40
  6. Step 6: Final answer
    x = 540,493,305.90

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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.