Home / 802,493,254.20-1,203,739,881.30-718,312,999.80

Finding the Fourth Proportional to 802,493,254.20, 1,203,739,881.30 and 718,312,999.80

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Solution

The fourth proportional to 802,493,254.20, 1,203,739,881.30 and 718,312,999.80 is: 1,077,469,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,493,254.20 : 1,203,739,881.30 = 718,312,999.80 : x
  2. Step 2: Convert to fraction form
    802,493,254.20/1,203,739,881.30 = 718,312,999.80/x
  3. Step 3: Cross multiply
    802,493,254.20x = 1,203,739,881.30 × 718,312,999.80
  4. Step 4: Simplify right side
    802,493,254.20x = 864,662,005,115,498,880
  5. Step 5: Solve for x
    x = 864,662,005,115,498,880/802,493,254.20
  6. Step 6: Final answer
    x = 1,077,469,499.70

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1.5x scale

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.