Home / 389,770,828.52-537,751,325.94-222,386,842.55

Finding the Fourth Proportional to 389,770,828.52, 537,751,325.94 and 222,386,842.55

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Solution

The fourth proportional to 389,770,828.52, 537,751,325.94 and 222,386,842.55 is: 306,818,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,770,828.52 : 537,751,325.94 = 222,386,842.55 : x
  2. Step 2: Convert to fraction form
    389,770,828.52/537,751,325.94 = 222,386,842.55/x
  3. Step 3: Cross multiply
    389,770,828.52x = 537,751,325.94 × 222,386,842.55
  4. Step 4: Simplify right side
    389,770,828.52x = 119,588,819,452,872,528
  5. Step 5: Solve for x
    x = 119,588,819,452,872,528/389,770,828.52
  6. Step 6: Final answer
    x = 306,818,290.91

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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.