Home / 462,189,569.54-637,449,699.78-406,315,523.70

Finding the Fourth Proportional to 462,189,569.54, 637,449,699.78 and 406,315,523.70

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Solution

The fourth proportional to 462,189,569.54, 637,449,699.78 and 406,315,523.70 is: 560,388,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,189,569.54 : 637,449,699.78 = 406,315,523.70 : x
  2. Step 2: Convert to fraction form
    462,189,569.54/637,449,699.78 = 406,315,523.70/x
  3. Step 3: Cross multiply
    462,189,569.54x = 637,449,699.78 × 406,315,523.70
  4. Step 4: Simplify right side
    462,189,569.54x = 259,005,708,598,518,464
  5. Step 5: Solve for x
    x = 259,005,708,598,518,464/462,189,569.54
  6. Step 6: Final answer
    x = 560,388,476.22

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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.