Home / 339,219,328.71-468,134,040.70-188,518,335.15

Finding the Fourth Proportional to 339,219,328.71, 468,134,040.70 and 188,518,335.15

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Solution

The fourth proportional to 339,219,328.71, 468,134,040.70 and 188,518,335.15 is: 260,161,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,219,328.71 : 468,134,040.70 = 188,518,335.15 : x
  2. Step 2: Convert to fraction form
    339,219,328.71/468,134,040.70 = 188,518,335.15/x
  3. Step 3: Cross multiply
    339,219,328.71x = 468,134,040.70 × 188,518,335.15
  4. Step 4: Simplify right side
    339,219,328.71x = 88,251,849,981,797,488
  5. Step 5: Solve for x
    x = 88,251,849,981,797,488/339,219,328.71
  6. Step 6: Final answer
    x = 260,161,619.67

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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.