Home / 386,468,271.20-579,503,827.20-113,803,608.80

Finding the Fourth Proportional to 386,468,271.20, 579,503,827.20 and 113,803,608.80

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Solution

The fourth proportional to 386,468,271.20, 579,503,827.20 and 113,803,608.80 is: 170,646,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,468,271.20 : 579,503,827.20 = 113,803,608.80 : x
  2. Step 2: Convert to fraction form
    386,468,271.20/579,503,827.20 = 113,803,608.80/x
  3. Step 3: Cross multiply
    386,468,271.20x = 579,503,827.20 × 113,803,608.80
  4. Step 4: Simplify right side
    386,468,271.20x = 65,949,626,848,771,600
  5. Step 5: Solve for x
    x = 65,949,626,848,771,600/386,468,271.20
  6. Step 6: Final answer
    x = 170,646,937.31

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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.