Home / 468,867,218.40-703,300,827.60-239,543,647.20

Finding the Fourth Proportional to 468,867,218.40, 703,300,827.60 and 239,543,647.20

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Solution

The fourth proportional to 468,867,218.40, 703,300,827.60 and 239,543,647.20 is: 359,315,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,867,218.40 : 703,300,827.60 = 239,543,647.20 : x
  2. Step 2: Convert to fraction form
    468,867,218.40/703,300,827.60 = 239,543,647.20/x
  3. Step 3: Cross multiply
    468,867,218.40x = 703,300,827.60 × 239,543,647.20
  4. Step 4: Simplify right side
    468,867,218.40x = 168,471,245,322,082,432
  5. Step 5: Solve for x
    x = 168,471,245,322,082,432/468,867,218.40
  6. Step 6: Final answer
    x = 359,315,470.80

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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.