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Finding the Fourth Proportional to 1,168,858,664.84, 1,613,005,020.66 and 633,005,977.36

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Solution

The fourth proportional to 1,168,858,664.84, 1,613,005,020.66 and 633,005,977.36 is: 873,537,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,858,664.84 : 1,613,005,020.66 = 633,005,977.36 : x
  2. Step 2: Convert to fraction form
    1,168,858,664.84/1,613,005,020.66 = 633,005,977.36/x
  3. Step 3: Cross multiply
    1,168,858,664.84x = 1,613,005,020.66 × 633,005,977.36
  4. Step 4: Simplify right side
    1,168,858,664.84x = 1,021,041,819,585,495,040
  5. Step 5: Solve for x
    x = 1,021,041,819,585,495,040/1,168,858,664.84
  6. Step 6: Final answer
    x = 873,537,451.79

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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.