Home / 1,144,644,303.78-1,579,951,685.52-668,463,120

Finding the Fourth Proportional to 1,144,644,303.78, 1,579,951,685.52 and 668,463,120

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Solution

The fourth proportional to 1,144,644,303.78, 1,579,951,685.52 and 668,463,120 is: 922,679,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,644,303.78 : 1,579,951,685.52 = 668,463,120 : x
  2. Step 2: Convert to fraction form
    1,144,644,303.78/1,579,951,685.52 = 668,463,120/x
  3. Step 3: Cross multiply
    1,144,644,303.78x = 1,579,951,685.52 × 668,463,120
  4. Step 4: Simplify right side
    1,144,644,303.78x = 1,056,139,433,151,958,016
  5. Step 5: Solve for x
    x = 1,056,139,433,151,958,016/1,144,644,303.78
  6. Step 6: Final answer
    x = 922,679,149.90

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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.