Home / 1,039,906,481.82-1,559,859,628.03-457,640,727.20

Finding the Fourth Proportional to 1,039,906,481.82, 1,559,859,628.03 and 457,640,727.20

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Solution

The fourth proportional to 1,039,906,481.82, 1,559,859,628.03 and 457,640,727.20 is: 686,461,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,906,481.82 : 1,559,859,628.03 = 457,640,727.20 : x
  2. Step 2: Convert to fraction form
    1,039,906,481.82/1,559,859,628.03 = 457,640,727.20/x
  3. Step 3: Cross multiply
    1,039,906,481.82x = 1,559,859,628.03 × 457,640,727.20
  4. Step 4: Simplify right side
    1,039,906,481.82x = 713,855,294,501,570,688
  5. Step 5: Solve for x
    x = 713,855,294,501,570,688/1,039,906,481.82
  6. Step 6: Final answer
    x = 686,461,049.12

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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.