Home / 460,513,315.20-690,694,309.08-165,347,332.32

Finding the Fourth Proportional to 460,513,315.20, 690,694,309.08 and 165,347,332.32

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Solution

The fourth proportional to 460,513,315.20, 690,694,309.08 and 165,347,332.32 is: 247,993,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,513,315.20 : 690,694,309.08 = 165,347,332.32 : x
  2. Step 2: Convert to fraction form
    460,513,315.20/690,694,309.08 = 165,347,332.32/x
  3. Step 3: Cross multiply
    460,513,315.20x = 690,694,309.08 × 165,347,332.32
  4. Step 4: Simplify right side
    460,513,315.20x = 114,204,461,454,983,552
  5. Step 5: Solve for x
    x = 114,204,461,454,983,552/460,513,315.20
  6. Step 6: Final answer
    x = 247,993,831.42

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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.