Home / 3,107,362,986.66-4,288,162,642.08-1,678,434,086.70

Finding the Fourth Proportional to 3,107,362,986.66, 4,288,162,642.08 and 1,678,434,086.70

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Solution

The fourth proportional to 3,107,362,986.66, 4,288,162,642.08 and 1,678,434,086.70 is: 2,316,239,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,362,986.66 : 4,288,162,642.08 = 1,678,434,086.70 : x
  2. Step 2: Convert to fraction form
    3,107,362,986.66/4,288,162,642.08 = 1,678,434,086.70/x
  3. Step 3: Cross multiply
    3,107,362,986.66x = 4,288,162,642.08 × 1,678,434,086.70
  4. Step 4: Simplify right side
    3,107,362,986.66x = 7,197,398,347,780,603,904
  5. Step 5: Solve for x
    x = 7,197,398,347,780,603,904/3,107,362,986.66
  6. Step 6: Final answer
    x = 2,316,239,968.96

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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.