Home / 472,392,029.80-708,588,044.70-288,726,020.20

Finding the Fourth Proportional to 472,392,029.80, 708,588,044.70 and 288,726,020.20

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Solution

The fourth proportional to 472,392,029.80, 708,588,044.70 and 288,726,020.20 is: 433,089,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,029.80 : 708,588,044.70 = 288,726,020.20 : x
  2. Step 2: Convert to fraction form
    472,392,029.80/708,588,044.70 = 288,726,020.20/x
  3. Step 3: Cross multiply
    472,392,029.80x = 708,588,044.70 × 288,726,020.20
  4. Step 4: Simplify right side
    472,392,029.80x = 204,587,806,107,530,720
  5. Step 5: Solve for x
    x = 204,587,806,107,530,720/472,392,029.80
  6. Step 6: Final answer
    x = 433,089,030.30

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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.