Home / 774,192,556.80-1,161,288,835.20-447,675,206.40

Finding the Fourth Proportional to 774,192,556.80, 1,161,288,835.20 and 447,675,206.40

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Solution

The fourth proportional to 774,192,556.80, 1,161,288,835.20 and 447,675,206.40 is: 671,512,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,192,556.80 : 1,161,288,835.20 = 447,675,206.40 : x
  2. Step 2: Convert to fraction form
    774,192,556.80/1,161,288,835.20 = 447,675,206.40/x
  3. Step 3: Cross multiply
    774,192,556.80x = 1,161,288,835.20 × 447,675,206.40
  4. Step 4: Simplify right side
    774,192,556.80x = 519,880,218,988,175,552
  5. Step 5: Solve for x
    x = 519,880,218,988,175,552/774,192,556.80
  6. Step 6: Final answer
    x = 671,512,809.60

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1.5x scale

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.