Home / 315,028,220.70-471,692,025.45-247,003,772.70

Finding the Fourth Proportional to 315,028,220.70, 471,692,025.45 and 247,003,772.70

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Solution

The fourth proportional to 315,028,220.70, 471,692,025.45 and 247,003,772.70 is: 369,838,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,028,220.70 : 471,692,025.45 = 247,003,772.70 : x
  2. Step 2: Convert to fraction form
    315,028,220.70/471,692,025.45 = 247,003,772.70/x
  3. Step 3: Cross multiply
    315,028,220.70x = 471,692,025.45 × 247,003,772.70
  4. Step 4: Simplify right side
    315,028,220.70x = 116,509,709,838,654,400
  5. Step 5: Solve for x
    x = 116,509,709,838,654,400/315,028,220.70
  6. Step 6: Final answer
    x = 369,838,961.03

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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.