Home / 354,360,689.80-531,541,034.70-298,240,520.20

Finding the Fourth Proportional to 354,360,689.80, 531,541,034.70 and 298,240,520.20

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Solution

The fourth proportional to 354,360,689.80, 531,541,034.70 and 298,240,520.20 is: 447,360,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,360,689.80 : 531,541,034.70 = 298,240,520.20 : x
  2. Step 2: Convert to fraction form
    354,360,689.80/531,541,034.70 = 298,240,520.20/x
  3. Step 3: Cross multiply
    354,360,689.80x = 531,541,034.70 × 298,240,520.20
  4. Step 4: Simplify right side
    354,360,689.80x = 158,527,074,696,574,240
  5. Step 5: Solve for x
    x = 158,527,074,696,574,240/354,360,689.80
  6. Step 6: Final answer
    x = 447,360,780.30

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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.