Home / 347,775,339.60-521,663,009.40-211,726,443.60

Finding the Fourth Proportional to 347,775,339.60, 521,663,009.40 and 211,726,443.60

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Solution

The fourth proportional to 347,775,339.60, 521,663,009.40 and 211,726,443.60 is: 317,589,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,775,339.60 : 521,663,009.40 = 211,726,443.60 : x
  2. Step 2: Convert to fraction form
    347,775,339.60/521,663,009.40 = 211,726,443.60/x
  3. Step 3: Cross multiply
    347,775,339.60x = 521,663,009.40 × 211,726,443.60
  4. Step 4: Simplify right side
    347,775,339.60x = 110,449,853,737,935,360
  5. Step 5: Solve for x
    x = 110,449,853,737,935,360/347,775,339.60
  6. Step 6: Final answer
    x = 317,589,665.40

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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.