Home / 684,389,639.20-1,026,836,401.20-224,342,816.80

Finding the Fourth Proportional to 684,389,639.20, 1,026,836,401.20 and 224,342,816.80

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Solution

The fourth proportional to 684,389,639.20, 1,026,836,401.20 and 224,342,816.80 is: 336,596,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,389,639.20 : 1,026,836,401.20 = 224,342,816.80 : x
  2. Step 2: Convert to fraction form
    684,389,639.20/1,026,836,401.20 = 224,342,816.80/x
  3. Step 3: Cross multiply
    684,389,639.20x = 1,026,836,401.20 × 224,342,816.80
  4. Step 4: Simplify right side
    684,389,639.20x = 230,363,370,637,982,912
  5. Step 5: Solve for x
    x = 230,363,370,637,982,912/684,389,639.20
  6. Step 6: Final answer
    x = 336,596,811.88

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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.