Home / 518,223,777.86-777,335,666.70-173,177,404.83

Finding the Fourth Proportional to 518,223,777.86, 777,335,666.70 and 173,177,404.83

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Solution

The fourth proportional to 518,223,777.86, 777,335,666.70 and 173,177,404.83 is: 259,766,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,223,777.86 : 777,335,666.70 = 173,177,404.83 : x
  2. Step 2: Convert to fraction form
    518,223,777.86/777,335,666.70 = 173,177,404.83/x
  3. Step 3: Cross multiply
    518,223,777.86x = 777,335,666.70 × 173,177,404.83
  4. Step 4: Simplify right side
    518,223,777.86x = 134,616,973,440,903,872
  5. Step 5: Solve for x
    x = 134,616,973,440,903,872/518,223,777.86
  6. Step 6: Final answer
    x = 259,766,107.22

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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.