Home / 776,590,841.25-1,165,049,863.20-251,918,975.49

Finding the Fourth Proportional to 776,590,841.25, 1,165,049,863.20 and 251,918,975.49

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Solution

The fourth proportional to 776,590,841.25, 1,165,049,863.20 and 251,918,975.49 is: 377,931,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,590,841.25 : 1,165,049,863.20 = 251,918,975.49 : x
  2. Step 2: Convert to fraction form
    776,590,841.25/1,165,049,863.20 = 251,918,975.49/x
  3. Step 3: Cross multiply
    776,590,841.25x = 1,165,049,863.20 × 251,918,975.49
  4. Step 4: Simplify right side
    776,590,841.25x = 293,498,167,932,108,672
  5. Step 5: Solve for x
    x = 293,498,167,932,108,672/776,590,841.25
  6. Step 6: Final answer
    x = 377,931,534.01

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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.