Home / 510,236,589.50-703,750,566.70-384,794,071.91

Finding the Fourth Proportional to 510,236,589.50, 703,750,566.70 and 384,794,071.91

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Solution

The fourth proportional to 510,236,589.50, 703,750,566.70 and 384,794,071.91 is: 530,732,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,236,589.50 : 703,750,566.70 = 384,794,071.91 : x
  2. Step 2: Convert to fraction form
    510,236,589.50/703,750,566.70 = 384,794,071.91/x
  3. Step 3: Cross multiply
    510,236,589.50x = 703,750,566.70 × 384,794,071.91
  4. Step 4: Simplify right side
    510,236,589.50x = 270,799,046,167,539,104
  5. Step 5: Solve for x
    x = 270,799,046,167,539,104/510,236,589.50
  6. Step 6: Final answer
    x = 530,732,314.66

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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.