Home / 387,367,234.13-534,562,431.93-211,151,363.04

Finding the Fourth Proportional to 387,367,234.13, 534,562,431.93 and 211,151,363.04

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Solution

The fourth proportional to 387,367,234.13, 534,562,431.93 and 211,151,363.04 is: 291,386,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,367,234.13 : 534,562,431.93 = 211,151,363.04 : x
  2. Step 2: Convert to fraction form
    387,367,234.13/534,562,431.93 = 211,151,363.04/x
  3. Step 3: Cross multiply
    387,367,234.13x = 534,562,431.93 × 211,151,363.04
  4. Step 4: Simplify right side
    387,367,234.13x = 112,873,586,131,996,720
  5. Step 5: Solve for x
    x = 112,873,586,131,996,720/387,367,234.13
  6. Step 6: Final answer
    x = 291,386,509.20

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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.