Home / 551,435,698.12-827,153,041.79-172,850,655.35

Finding the Fourth Proportional to 551,435,698.12, 827,153,041.79 and 172,850,655.35

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Solution

The fourth proportional to 551,435,698.12, 827,153,041.79 and 172,850,655.35 is: 259,275,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,435,698.12 : 827,153,041.79 = 172,850,655.35 : x
  2. Step 2: Convert to fraction form
    551,435,698.12/827,153,041.79 = 172,850,655.35/x
  3. Step 3: Cross multiply
    551,435,698.12x = 827,153,041.79 × 172,850,655.35
  4. Step 4: Simplify right side
    551,435,698.12x = 142,973,945,350,647,440
  5. Step 5: Solve for x
    x = 142,973,945,350,647,440/551,435,698.12
  6. Step 6: Final answer
    x = 259,275,824.61

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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.