Home / 1,508,247,525.44-2,081,348,945.52-873,194,794.28

Finding the Fourth Proportional to 1,508,247,525.44, 2,081,348,945.52 and 873,194,794.28

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Solution

The fourth proportional to 1,508,247,525.44, 2,081,348,945.52 and 873,194,794.28 is: 1,204,989,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,247,525.44 : 2,081,348,945.52 = 873,194,794.28 : x
  2. Step 2: Convert to fraction form
    1,508,247,525.44/2,081,348,945.52 = 873,194,794.28/x
  3. Step 3: Cross multiply
    1,508,247,525.44x = 2,081,348,945.52 × 873,194,794.28
  4. Step 4: Simplify right side
    1,508,247,525.44x = 1,817,423,064,308,231,168
  5. Step 5: Solve for x
    x = 1,817,423,064,308,231,168/1,508,247,525.44
  6. Step 6: Final answer
    x = 1,204,989,919.53

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Double scale
Find fourth proportional to 1,508,247,526.44, 2,081,348,946.90 and 873,194,795.28
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.