Home / 705,277,383.17-1,055,614,043.27-518,481,879.17

Finding the Fourth Proportional to 705,277,383.17, 1,055,614,043.27 and 518,481,879.17

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Solution

The fourth proportional to 705,277,383.17, 1,055,614,043.27 and 518,481,879.17 is: 776,030,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,277,383.17 : 1,055,614,043.27 = 518,481,879.17 : x
  2. Step 2: Convert to fraction form
    705,277,383.17/1,055,614,043.27 = 518,481,879.17/x
  3. Step 3: Cross multiply
    705,277,383.17x = 1,055,614,043.27 × 518,481,879.17
  4. Step 4: Simplify right side
    705,277,383.17x = 547,316,752,828,889,472
  5. Step 5: Solve for x
    x = 547,316,752,828,889,472/705,277,383.17
  6. Step 6: Final answer
    x = 776,030,489.41

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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.