Home / 419,230,568.88-578,514,576.60-231,058,292.58

Finding the Fourth Proportional to 419,230,568.88, 578,514,576.60 and 231,058,292.58

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Solution

The fourth proportional to 419,230,568.88, 578,514,576.60 and 231,058,292.58 is: 318,847,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,230,568.88 : 578,514,576.60 = 231,058,292.58 : x
  2. Step 2: Convert to fraction form
    419,230,568.88/578,514,576.60 = 231,058,292.58/x
  3. Step 3: Cross multiply
    419,230,568.88x = 578,514,576.60 × 231,058,292.58
  4. Step 4: Simplify right side
    419,230,568.88x = 133,670,590,301,837,632
  5. Step 5: Solve for x
    x = 133,670,590,301,837,632/419,230,568.88
  6. Step 6: Final answer
    x = 318,847,432.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.