Home / 458,999,247.36-688,431,610.53-225,767,354.93

Finding the Fourth Proportional to 458,999,247.36, 688,431,610.53 and 225,767,354.93

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Solution

The fourth proportional to 458,999,247.36, 688,431,610.53 and 225,767,354.93 is: 338,617,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,999,247.36 : 688,431,610.53 = 225,767,354.93 : x
  2. Step 2: Convert to fraction form
    458,999,247.36/688,431,610.53 = 225,767,354.93/x
  3. Step 3: Cross multiply
    458,999,247.36x = 688,431,610.53 × 225,767,354.93
  4. Step 4: Simplify right side
    458,999,247.36x = 155,425,383,758,697,504
  5. Step 5: Solve for x
    x = 155,425,383,758,697,504/458,999,247.36
  6. Step 6: Final answer
    x = 338,617,949.06

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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.