Home / 1,317,933,889.06-1,818,776,545.13-723,213,170.36

Finding the Fourth Proportional to 1,317,933,889.06, 1,818,776,545.13 and 723,213,170.36

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Solution

The fourth proportional to 1,317,933,889.06, 1,818,776,545.13 and 723,213,170.36 is: 998,049,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,933,889.06 : 1,818,776,545.13 = 723,213,170.36 : x
  2. Step 2: Convert to fraction form
    1,317,933,889.06/1,818,776,545.13 = 723,213,170.36/x
  3. Step 3: Cross multiply
    1,317,933,889.06x = 1,818,776,545.13 × 723,213,170.36
  4. Step 4: Simplify right side
    1,317,933,889.06x = 1,315,363,151,379,875,072
  5. Step 5: Solve for x
    x = 1,315,363,151,379,875,072/1,317,933,889.06
  6. Step 6: Final answer
    x = 998,049,418.33

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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.