Home / 391,026,529-586,615,324.38-148,670,589.16

Finding the Fourth Proportional to 391,026,529, 586,615,324.38 and 148,670,589.16

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Solution

The fourth proportional to 391,026,529, 586,615,324.38 and 148,670,589.16 is: 223,034,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,026,529 : 586,615,324.38 = 148,670,589.16 : x
  2. Step 2: Convert to fraction form
    391,026,529/586,615,324.38 = 148,670,589.16/x
  3. Step 3: Cross multiply
    391,026,529x = 586,615,324.38 × 148,670,589.16
  4. Step 4: Simplify right side
    391,026,529x = 87,212,445,885,859,104
  5. Step 5: Solve for x
    x = 87,212,445,885,859,104/391,026,529
  6. Step 6: Final answer
    x = 223,034,601.03

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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.