Home / 436,146,989.45-654,226,182.62-145,014,112.22

Finding the Fourth Proportional to 436,146,989.45, 654,226,182.62 and 145,014,112.22

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Solution

The fourth proportional to 436,146,989.45, 654,226,182.62 and 145,014,112.22 is: 217,523,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,146,989.45 : 654,226,182.62 = 145,014,112.22 : x
  2. Step 2: Convert to fraction form
    436,146,989.45/654,226,182.62 = 145,014,112.22/x
  3. Step 3: Cross multiply
    436,146,989.45x = 654,226,182.62 × 145,014,112.22
  4. Step 4: Simplify right side
    436,146,989.45x = 94,872,029,059,722,688
  5. Step 5: Solve for x
    x = 94,872,029,059,722,688/436,146,989.45
  6. Step 6: Final answer
    x = 217,523,062.99

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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.