Home / 349,401,789,892.80-524,155,088,967.85-122,721,288,282.90

Finding the Fourth Proportional to 349,401,789,892.80, 524,155,088,967.85 and 122,721,288,282.90

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Solution

The fourth proportional to 349,401,789,892.80, 524,155,088,967.85 and 122,721,288,282.90 is: 184,100,338,461.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,401,789,892.80 : 524,155,088,967.85 = 122,721,288,282.90 : x
  2. Step 2: Convert to fraction form
    349,401,789,892.80/524,155,088,967.85 = 122,721,288,282.90/x
  3. Step 3: Cross multiply
    349,401,789,892.80x = 524,155,088,967.85 × 122,721,288,282.90
  4. Step 4: Simplify right side
    349,401,789,892.80x = 64,324,987,778,172,612,247,552
  5. Step 5: Solve for x
    x = 64,324,987,778,172,612,247,552/349,401,789,892.80
  6. Step 6: Final answer
    x = 184,100,338,461.08

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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.