Home / 1,115,473,869.20-1,673,210,803.80-993,029,862.80

Finding the Fourth Proportional to 1,115,473,869.20, 1,673,210,803.80 and 993,029,862.80

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Solution

The fourth proportional to 1,115,473,869.20, 1,673,210,803.80 and 993,029,862.80 is: 1,489,544,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,473,869.20 : 1,673,210,803.80 = 993,029,862.80 : x
  2. Step 2: Convert to fraction form
    1,115,473,869.20/1,673,210,803.80 = 993,029,862.80/x
  3. Step 3: Cross multiply
    1,115,473,869.20x = 1,673,210,803.80 × 993,029,862.80
  4. Step 4: Simplify right side
    1,115,473,869.20x = 1,661,548,294,932,991,488
  5. Step 5: Solve for x
    x = 1,661,548,294,932,991,488/1,115,473,869.20
  6. Step 6: Final answer
    x = 1,489,544,794.20

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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.