Home / 349,344,110.80-524,016,166.20-315,331,886.80

Finding the Fourth Proportional to 349,344,110.80, 524,016,166.20 and 315,331,886.80

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Solution

The fourth proportional to 349,344,110.80, 524,016,166.20 and 315,331,886.80 is: 472,997,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,344,110.80 : 524,016,166.20 = 315,331,886.80 : x
  2. Step 2: Convert to fraction form
    349,344,110.80/524,016,166.20 = 315,331,886.80/x
  3. Step 3: Cross multiply
    349,344,110.80x = 524,016,166.20 × 315,331,886.80
  4. Step 4: Simplify right side
    349,344,110.80x = 165,239,006,401,548,384
  5. Step 5: Solve for x
    x = 165,239,006,401,548,384/349,344,110.80
  6. Step 6: Final answer
    x = 472,997,830.20

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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.