Home / 284,311,518.04-392,282,410.62-172,800,412.12

Finding the Fourth Proportional to 284,311,518.04, 392,282,410.62 and 172,800,412.12

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Solution

The fourth proportional to 284,311,518.04, 392,282,410.62 and 172,800,412.12 is: 238,423,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,311,518.04 : 392,282,410.62 = 172,800,412.12 : x
  2. Step 2: Convert to fraction form
    284,311,518.04/392,282,410.62 = 172,800,412.12/x
  3. Step 3: Cross multiply
    284,311,518.04x = 392,282,410.62 × 172,800,412.12
  4. Step 4: Simplify right side
    284,311,518.04x = 67,786,562,222,563,064
  5. Step 5: Solve for x
    x = 67,786,562,222,563,064/284,311,518.04
  6. Step 6: Final answer
    x = 238,423,552.76

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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.