Home / 518,223,756.50-777,335,634.78-173,177,383.48

Finding the Fourth Proportional to 518,223,756.50, 777,335,634.78 and 173,177,383.48

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Solution

The fourth proportional to 518,223,756.50, 777,335,634.78 and 173,177,383.48 is: 259,766,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,223,756.50 : 777,335,634.78 = 173,177,383.48 : x
  2. Step 2: Convert to fraction form
    518,223,756.50/777,335,634.78 = 173,177,383.48/x
  3. Step 3: Cross multiply
    518,223,756.50x = 777,335,634.78 × 173,177,383.48
  4. Step 4: Simplify right side
    518,223,756.50x = 134,616,951,316,965,280
  5. Step 5: Solve for x
    x = 134,616,951,316,965,280/518,223,756.50
  6. Step 6: Final answer
    x = 259,766,075.23

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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.