Home / 426,104,231.52-639,340,478.66-229,137,428.51

Finding the Fourth Proportional to 426,104,231.52, 639,340,478.66 and 229,137,428.51

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Solution

The fourth proportional to 426,104,231.52, 639,340,478.66 and 229,137,428.51 is: 343,805,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,104,231.52 : 639,340,478.66 = 229,137,428.51 : x
  2. Step 2: Convert to fraction form
    426,104,231.52/639,340,478.66 = 229,137,428.51/x
  3. Step 3: Cross multiply
    426,104,231.52x = 639,340,478.66 × 229,137,428.51
  4. Step 4: Simplify right side
    426,104,231.52x = 146,496,833,218,162,528
  5. Step 5: Solve for x
    x = 146,496,833,218,162,528/426,104,231.52
  6. Step 6: Final answer
    x = 343,805,159.35

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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.