Home / 393,931,934.64-543,693,574.62-229,015,163.52

Finding the Fourth Proportional to 393,931,934.64, 543,693,574.62 and 229,015,163.52

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Solution

The fourth proportional to 393,931,934.64, 543,693,574.62 and 229,015,163.52 is: 316,080,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,931,934.64 : 543,693,574.62 = 229,015,163.52 : x
  2. Step 2: Convert to fraction form
    393,931,934.64/543,693,574.62 = 229,015,163.52/x
  3. Step 3: Cross multiply
    393,931,934.64x = 543,693,574.62 × 229,015,163.52
  4. Step 4: Simplify right side
    393,931,934.64x = 124,514,072,896,372,624
  5. Step 5: Solve for x
    x = 124,514,072,896,372,624/393,931,934.64
  6. Step 6: Final answer
    x = 316,080,170.07

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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.