Home / 741,090,298.47-1,022,639,477.05-423,487,517.51

Finding the Fourth Proportional to 741,090,298.47, 1,022,639,477.05 and 423,487,517.51

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Solution

The fourth proportional to 741,090,298.47, 1,022,639,477.05 and 423,487,517.51 is: 584,375,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,090,298.47 : 1,022,639,477.05 = 423,487,517.51 : x
  2. Step 2: Convert to fraction form
    741,090,298.47/1,022,639,477.05 = 423,487,517.51/x
  3. Step 3: Cross multiply
    741,090,298.47x = 1,022,639,477.05 × 423,487,517.51
  4. Step 4: Simplify right side
    741,090,298.47x = 433,075,053,442,112,000
  5. Step 5: Solve for x
    x = 433,075,053,442,112,000/741,090,298.47
  6. Step 6: Final answer
    x = 584,375,553.61

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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.