Home / 3,986,602,669.60-5,979,904,004.40-2,126,984,322.40

Finding the Fourth Proportional to 3,986,602,669.60, 5,979,904,004.40 and 2,126,984,322.40

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Solution

The fourth proportional to 3,986,602,669.60, 5,979,904,004.40 and 2,126,984,322.40 is: 3,190,476,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,602,669.60 : 5,979,904,004.40 = 2,126,984,322.40 : x
  2. Step 2: Convert to fraction form
    3,986,602,669.60/5,979,904,004.40 = 2,126,984,322.40/x
  3. Step 3: Cross multiply
    3,986,602,669.60x = 5,979,904,004.40 × 2,126,984,322.40
  4. Step 4: Simplify right side
    3,986,602,669.60x = 12,719,162,066,815,780,864
  5. Step 5: Solve for x
    x = 12,719,162,066,815,780,864/3,986,602,669.60
  6. Step 6: Final answer
    x = 3,190,476,483.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.