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Finding the Fourth Proportional to 1,283,118,996.02, 1,770,400,727.17 and 726,202,042.88

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Solution

The fourth proportional to 1,283,118,996.02, 1,770,400,727.17 and 726,202,042.88 is: 1,001,987,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,118,996.02 : 1,770,400,727.17 = 726,202,042.88 : x
  2. Step 2: Convert to fraction form
    1,283,118,996.02/1,770,400,727.17 = 726,202,042.88/x
  3. Step 3: Cross multiply
    1,283,118,996.02x = 1,770,400,727.17 × 726,202,042.88
  4. Step 4: Simplify right side
    1,283,118,996.02x = 1,285,668,624,776,423,936
  5. Step 5: Solve for x
    x = 1,285,668,624,776,423,936/1,283,118,996.02
  6. Step 6: Final answer
    x = 1,001,987,055.58

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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.