Home / 522,029,923.94-720,420,235.38-299,054,699.66

Finding the Fourth Proportional to 522,029,923.94, 720,420,235.38 and 299,054,699.66

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Solution

The fourth proportional to 522,029,923.94, 720,420,235.38 and 299,054,699.66 is: 412,706,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029,923.94 : 720,420,235.38 = 299,054,699.66 : x
  2. Step 2: Convert to fraction form
    522,029,923.94/720,420,235.38 = 299,054,699.66/x
  3. Step 3: Cross multiply
    522,029,923.94x = 720,420,235.38 × 299,054,699.66
  4. Step 4: Simplify right side
    522,029,923.94x = 215,445,057,120,552,416
  5. Step 5: Solve for x
    x = 215,445,057,120,552,416/522,029,923.94
  6. Step 6: Final answer
    x = 412,706,335.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.