Home / 354,360,657.80-531,540,986.70-298,240,488.20

Finding the Fourth Proportional to 354,360,657.80, 531,540,986.70 and 298,240,488.20

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Solution

The fourth proportional to 354,360,657.80, 531,540,986.70 and 298,240,488.20 is: 447,360,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,360,657.80 : 531,540,986.70 = 298,240,488.20 : x
  2. Step 2: Convert to fraction form
    354,360,657.80/531,540,986.70 = 298,240,488.20/x
  3. Step 3: Cross multiply
    354,360,657.80x = 531,540,986.70 × 298,240,488.20
  4. Step 4: Simplify right side
    354,360,657.80x = 158,527,043,371,717,696
  5. Step 5: Solve for x
    x = 158,527,043,371,717,696/354,360,657.80
  6. Step 6: Final answer
    x = 447,360,732.30

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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.