Home / 380,712,934.88-571,071,372.95-173,306,297.71

Finding the Fourth Proportional to 380,712,934.88, 571,071,372.95 and 173,306,297.71

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Solution

The fourth proportional to 380,712,934.88, 571,071,372.95 and 173,306,297.71 is: 259,960,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,712,934.88 : 571,071,372.95 = 173,306,297.71 : x
  2. Step 2: Convert to fraction form
    380,712,934.88/571,071,372.95 = 173,306,297.71/x
  3. Step 3: Cross multiply
    380,712,934.88x = 571,071,372.95 × 173,306,297.71
  4. Step 4: Simplify right side
    380,712,934.88x = 98,970,265,374,131,152
  5. Step 5: Solve for x
    x = 98,970,265,374,131,152/380,712,934.88
  6. Step 6: Final answer
    x = 259,960,343.63

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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.