Home / 390,986,269,710.97-586,162,915,218.65-122,236,913,903.27

Finding the Fourth Proportional to 390,986,269,710.97, 586,162,915,218.65 and 122,236,913,903.27

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Solution

The fourth proportional to 390,986,269,710.97, 586,162,915,218.65 and 122,236,913,903.27 is: 183,256,424,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,986,269,710.97 : 586,162,915,218.65 = 122,236,913,903.27 : x
  2. Step 2: Convert to fraction form
    390,986,269,710.97/586,162,915,218.65 = 122,236,913,903.27/x
  3. Step 3: Cross multiply
    390,986,269,710.97x = 586,162,915,218.65 × 122,236,913,903.27
  4. Step 4: Simplify right side
    390,986,269,710.97x = 71,650,745,800,871,873,871,872
  5. Step 5: Solve for x
    x = 71,650,745,800,871,873,871,872/390,986,269,710.97
  6. Step 6: Final answer
    x = 183,256,424,461.76

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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.