Home / 415,435,673.37-623,107,455.13-104,543,373.43

Finding the Fourth Proportional to 415,435,673.37, 623,107,455.13 and 104,543,373.43

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Solution

The fourth proportional to 415,435,673.37, 623,107,455.13 and 104,543,373.43 is: 156,803,470.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,435,673.37 : 623,107,455.13 = 104,543,373.43 : x
  2. Step 2: Convert to fraction form
    415,435,673.37/623,107,455.13 = 104,543,373.43/x
  3. Step 3: Cross multiply
    415,435,673.37x = 623,107,455.13 × 104,543,373.43
  4. Step 4: Simplify right side
    415,435,673.37x = 65,141,755,369,582,128
  5. Step 5: Solve for x
    x = 65,141,755,369,582,128/415,435,673.37
  6. Step 6: Final answer
    x = 156,803,470.54

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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.