Home / 439,470,947.88-606,470,572.40-238,527,894.30

Finding the Fourth Proportional to 439,470,947.88, 606,470,572.40 and 238,527,894.30

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Solution

The fourth proportional to 439,470,947.88, 606,470,572.40 and 238,527,894.30 is: 329,168,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,470,947.88 : 606,470,572.40 = 238,527,894.30 : x
  2. Step 2: Convert to fraction form
    439,470,947.88/606,470,572.40 = 238,527,894.30/x
  3. Step 3: Cross multiply
    439,470,947.88x = 606,470,572.40 × 238,527,894.30
  4. Step 4: Simplify right side
    439,470,947.88x = 144,660,148,588,295,072
  5. Step 5: Solve for x
    x = 144,660,148,588,295,072/439,470,947.88
  6. Step 6: Final answer
    x = 329,168,854.70

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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.