Home / 386,384,003.60-579,576,005.40-348,163,408.40

Finding the Fourth Proportional to 386,384,003.60, 579,576,005.40 and 348,163,408.40

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Solution

The fourth proportional to 386,384,003.60, 579,576,005.40 and 348,163,408.40 is: 522,245,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,384,003.60 : 579,576,005.40 = 348,163,408.40 : x
  2. Step 2: Convert to fraction form
    386,384,003.60/579,576,005.40 = 348,163,408.40/x
  3. Step 3: Cross multiply
    386,384,003.60x = 579,576,005.40 × 348,163,408.40
  4. Step 4: Simplify right side
    386,384,003.60x = 201,787,157,466,920,768
  5. Step 5: Solve for x
    x = 201,787,157,466,920,768/386,384,003.60
  6. Step 6: Final answer
    x = 522,245,112.60

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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.