Home / 489,840,011.60-733,752,247.80-247,639,384.40

Finding the Fourth Proportional to 489,840,011.60, 733,752,247.80 and 247,639,384.40

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Solution

The fourth proportional to 489,840,011.60, 733,752,247.80 and 247,639,384.40 is: 370,949,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,840,011.60 : 733,752,247.80 = 247,639,384.40 : x
  2. Step 2: Convert to fraction form
    489,840,011.60/733,752,247.80 = 247,639,384.40/x
  3. Step 3: Cross multiply
    489,840,011.60x = 733,752,247.80 × 247,639,384.40
  4. Step 4: Simplify right side
    489,840,011.60x = 181,705,954,947,308,256
  5. Step 5: Solve for x
    x = 181,705,954,947,308,256/489,840,011.60
  6. Step 6: Final answer
    x = 370,949,597.10

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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.