Home / 873,504,885.90-1,310,257,328.85-806,992,092.30

Finding the Fourth Proportional to 873,504,885.90, 1,310,257,328.85 and 806,992,092.30

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Solution

The fourth proportional to 873,504,885.90, 1,310,257,328.85 and 806,992,092.30 is: 1,210,488,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,504,885.90 : 1,310,257,328.85 = 806,992,092.30 : x
  2. Step 2: Convert to fraction form
    873,504,885.90/1,310,257,328.85 = 806,992,092.30/x
  3. Step 3: Cross multiply
    873,504,885.90x = 1,310,257,328.85 × 806,992,092.30
  4. Step 4: Simplify right side
    873,504,885.90x = 1,057,367,303,260,070,528
  5. Step 5: Solve for x
    x = 1,057,367,303,260,070,528/873,504,885.90
  6. Step 6: Final answer
    x = 1,210,488,138.45

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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.