Home / 535,187,615.80-802,781,423.70-479,067,446.20

Finding the Fourth Proportional to 535,187,615.80, 802,781,423.70 and 479,067,446.20

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Solution

The fourth proportional to 535,187,615.80, 802,781,423.70 and 479,067,446.20 is: 718,601,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,187,615.80 : 802,781,423.70 = 479,067,446.20 : x
  2. Step 2: Convert to fraction form
    535,187,615.80/802,781,423.70 = 479,067,446.20/x
  3. Step 3: Cross multiply
    535,187,615.80x = 802,781,423.70 × 479,067,446.20
  4. Step 4: Simplify right side
    535,187,615.80x = 384,586,446,508,759,168
  5. Step 5: Solve for x
    x = 384,586,446,508,759,168/535,187,615.80
  6. Step 6: Final answer
    x = 718,601,169.30

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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.