Home / 2,317,986,581.61-3,199,653,537.16-1,378,186,981.51

Finding the Fourth Proportional to 2,317,986,581.61, 3,199,653,537.16 and 1,378,186,981.51

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Solution

The fourth proportional to 2,317,986,581.61, 3,199,653,537.16 and 1,378,186,981.51 is: 1,902,392,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,986,581.61 : 3,199,653,537.16 = 1,378,186,981.51 : x
  2. Step 2: Convert to fraction form
    2,317,986,581.61/3,199,653,537.16 = 1,378,186,981.51/x
  3. Step 3: Cross multiply
    2,317,986,581.61x = 3,199,653,537.16 × 1,378,186,981.51
  4. Step 4: Simplify right side
    2,317,986,581.61x = 4,409,720,850,257,443,840
  5. Step 5: Solve for x
    x = 4,409,720,850,257,443,840/2,317,986,581.61
  6. Step 6: Final answer
    x = 1,902,392,742.58

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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.