Home / 1,802,998,739.84-2,490,472,255.56-1,490,993,271.68

Finding the Fourth Proportional to 1,802,998,739.84, 2,490,472,255.56 and 1,490,993,271.68

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Solution

The fourth proportional to 1,802,998,739.84, 2,490,472,255.56 and 1,490,993,271.68 is: 2,059,500,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,998,739.84 : 2,490,472,255.56 = 1,490,993,271.68 : x
  2. Step 2: Convert to fraction form
    1,802,998,739.84/2,490,472,255.56 = 1,490,993,271.68/x
  3. Step 3: Cross multiply
    1,802,998,739.84x = 2,490,472,255.56 × 1,490,993,271.68
  4. Step 4: Simplify right side
    1,802,998,739.84x = 3,713,277,376,345,673,728
  5. Step 5: Solve for x
    x = 3,713,277,376,345,673,728/1,802,998,739.84
  6. Step 6: Final answer
    x = 2,059,500,816.22

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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.