Home / 1,838,792,313.60-2,758,188,470.40-1,223,381,011.20

Finding the Fourth Proportional to 1,838,792,313.60, 2,758,188,470.40 and 1,223,381,011.20

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Solution

The fourth proportional to 1,838,792,313.60, 2,758,188,470.40 and 1,223,381,011.20 is: 1,835,071,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,792,313.60 : 2,758,188,470.40 = 1,223,381,011.20 : x
  2. Step 2: Convert to fraction form
    1,838,792,313.60/2,758,188,470.40 = 1,223,381,011.20/x
  3. Step 3: Cross multiply
    1,838,792,313.60x = 2,758,188,470.40 × 1,223,381,011.20
  4. Step 4: Simplify right side
    1,838,792,313.60x = 3,374,315,399,998,133,760
  5. Step 5: Solve for x
    x = 3,374,315,399,998,133,760/1,838,792,313.60
  6. Step 6: Final answer
    x = 1,835,071,516.80

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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.