Home / 1,319,948,175.11-1,821,077,982.14-817,973,803.76

Finding the Fourth Proportional to 1,319,948,175.11, 1,821,077,982.14 and 817,973,803.76

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Solution

The fourth proportional to 1,319,948,175.11, 1,821,077,982.14 and 817,973,803.76 is: 1,128,524,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,948,175.11 : 1,821,077,982.14 = 817,973,803.76 : x
  2. Step 2: Convert to fraction form
    1,319,948,175.11/1,821,077,982.14 = 817,973,803.76/x
  3. Step 3: Cross multiply
    1,319,948,175.11x = 1,821,077,982.14 × 817,973,803.76
  4. Step 4: Simplify right side
    1,319,948,175.11x = 1,489,594,083,981,445,888
  5. Step 5: Solve for x
    x = 1,489,594,083,981,445,888/1,319,948,175.11
  6. Step 6: Final answer
    x = 1,128,524,673.98

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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.