Home / 378,982,985.06-568,528,700.60-116,689,725.47

Finding the Fourth Proportional to 378,982,985.06, 568,528,700.60 and 116,689,725.47

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Solution

The fourth proportional to 378,982,985.06, 568,528,700.60 and 116,689,725.47 is: 175,051,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,982,985.06 : 568,528,700.60 = 116,689,725.47 : x
  2. Step 2: Convert to fraction form
    378,982,985.06/568,528,700.60 = 116,689,725.47/x
  3. Step 3: Cross multiply
    378,982,985.06x = 568,528,700.60 × 116,689,725.47
  4. Step 4: Simplify right side
    378,982,985.06x = 66,341,457,992,278,904
  5. Step 5: Solve for x
    x = 66,341,457,992,278,904/378,982,985.06
  6. Step 6: Final answer
    x = 175,051,283.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.