Home / 522,029,925.94-720,420,238.14-299,054,701.66

Finding the Fourth Proportional to 522,029,925.94, 720,420,238.14 and 299,054,701.66

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Solution

The fourth proportional to 522,029,925.94, 720,420,238.14 and 299,054,701.66 is: 412,706,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,029,925.94 : 720,420,238.14 = 299,054,701.66 : x
  2. Step 2: Convert to fraction form
    522,029,925.94/720,420,238.14 = 299,054,701.66/x
  3. Step 3: Cross multiply
    522,029,925.94x = 720,420,238.14 × 299,054,701.66
  4. Step 4: Simplify right side
    522,029,925.94x = 215,445,059,386,783,872
  5. Step 5: Solve for x
    x = 215,445,059,386,783,872/522,029,925.94
  6. Step 6: Final answer
    x = 412,706,338.62

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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.