Home / 284,311,518.54-392,282,411.31-172,800,412.62

Finding the Fourth Proportional to 284,311,518.54, 392,282,411.31 and 172,800,412.62

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Solution

The fourth proportional to 284,311,518.54, 392,282,411.31 and 172,800,412.62 is: 238,423,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,311,518.54 : 392,282,411.31 = 172,800,412.62 : x
  2. Step 2: Convert to fraction form
    284,311,518.54/392,282,411.31 = 172,800,412.62/x
  3. Step 3: Cross multiply
    284,311,518.54x = 392,282,411.31 × 172,800,412.62
  4. Step 4: Simplify right side
    284,311,518.54x = 67,786,562,537,936,560
  5. Step 5: Solve for x
    x = 67,786,562,537,936,560/284,311,518.54
  6. Step 6: Final answer
    x = 238,423,553.45

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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.