Home / 426,319,018.25-588,322,016.66-230,748,730.25

Finding the Fourth Proportional to 426,319,018.25, 588,322,016.66 and 230,748,730.25

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Solution

The fourth proportional to 426,319,018.25, 588,322,016.66 and 230,748,730.25 is: 318,434,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,319,018.25 : 588,322,016.66 = 230,748,730.25 : x
  2. Step 2: Convert to fraction form
    426,319,018.25/588,322,016.66 = 230,748,730.25/x
  3. Step 3: Cross multiply
    426,319,018.25x = 588,322,016.66 × 230,748,730.25
  4. Step 4: Simplify right side
    426,319,018.25x = 135,754,558,321,260,592
  5. Step 5: Solve for x
    x = 135,754,558,321,260,592/426,319,018.25
  6. Step 6: Final answer
    x = 318,434,206.57

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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.