Home / 399,331,944,556.80-550,756,757,040-351,056,768,951.04

Finding the Fourth Proportional to 399,331,944,556.80, 550,756,757,040 and 351,056,768,951.04

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Solution

The fourth proportional to 399,331,944,556.80, 550,756,757,040 and 351,056,768,951.04 is: 484,175,859,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,331,944,556.80 : 550,756,757,040 = 351,056,768,951.04 : x
  2. Step 2: Convert to fraction form
    399,331,944,556.80/550,756,757,040 = 351,056,768,951.04/x
  3. Step 3: Cross multiply
    399,331,944,556.80x = 550,756,757,040 × 351,056,768,951.04
  4. Step 4: Simplify right side
    399,331,944,556.80x = 193,346,887,604,415,353,585,664
  5. Step 5: Solve for x
    x = 193,346,887,604,415,353,585,664/399,331,944,556.80
  6. Step 6: Final answer
    x = 484,175,859,807.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.