Home / 351,630,812.80-527,446,219.20-179,638,134.40

Finding the Fourth Proportional to 351,630,812.80, 527,446,219.20 and 179,638,134.40

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Solution

The fourth proportional to 351,630,812.80, 527,446,219.20 and 179,638,134.40 is: 269,457,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,630,812.80 : 527,446,219.20 = 179,638,134.40 : x
  2. Step 2: Convert to fraction form
    351,630,812.80/527,446,219.20 = 179,638,134.40/x
  3. Step 3: Cross multiply
    351,630,812.80x = 527,446,219.20 × 179,638,134.40
  4. Step 4: Simplify right side
    351,630,812.80x = 94,749,454,813,421,456
  5. Step 5: Solve for x
    x = 94,749,454,813,421,456/351,630,812.80
  6. Step 6: Final answer
    x = 269,457,201.60

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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.