Home / 535,148,905.60-802,723,358.40-171,680,003.20

Finding the Fourth Proportional to 535,148,905.60, 802,723,358.40 and 171,680,003.20

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Solution

The fourth proportional to 535,148,905.60, 802,723,358.40 and 171,680,003.20 is: 257,520,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,148,905.60 : 802,723,358.40 = 171,680,003.20 : x
  2. Step 2: Convert to fraction form
    535,148,905.60/802,723,358.40 = 171,680,003.20/x
  3. Step 3: Cross multiply
    535,148,905.60x = 802,723,358.40 × 171,680,003.20
  4. Step 4: Simplify right side
    535,148,905.60x = 137,811,548,738,826,736
  5. Step 5: Solve for x
    x = 137,811,548,738,826,736/535,148,905.60
  6. Step 6: Final answer
    x = 257,520,004.80

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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.