Home / 518,223,763.48-777,335,645.28-173,177,390.48

Finding the Fourth Proportional to 518,223,763.48, 777,335,645.28 and 173,177,390.48

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Solution

The fourth proportional to 518,223,763.48, 777,335,645.28 and 173,177,390.48 is: 259,766,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,223,763.48 : 777,335,645.28 = 173,177,390.48 : x
  2. Step 2: Convert to fraction form
    518,223,763.48/777,335,645.28 = 173,177,390.48/x
  3. Step 3: Cross multiply
    518,223,763.48x = 777,335,645.28 × 173,177,390.48
  4. Step 4: Simplify right side
    518,223,763.48x = 134,616,958,576,677,312
  5. Step 5: Solve for x
    x = 134,616,958,576,677,312/518,223,763.48
  6. Step 6: Final answer
    x = 259,766,085.74

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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.