Home / 557,713,789.44-769,591,111.68-322,717,574.40

Finding the Fourth Proportional to 557,713,789.44, 769,591,111.68 and 322,717,574.40

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Solution

The fourth proportional to 557,713,789.44, 769,591,111.68 and 322,717,574.40 is: 445,319,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,713,789.44 : 769,591,111.68 = 322,717,574.40 : x
  2. Step 2: Convert to fraction form
    557,713,789.44/769,591,111.68 = 322,717,574.40/x
  3. Step 3: Cross multiply
    557,713,789.44x = 769,591,111.68 × 322,717,574.40
  4. Step 4: Simplify right side
    557,713,789.44x = 248,360,576,841,169,088
  5. Step 5: Solve for x
    x = 248,360,576,841,169,088/557,713,789.44
  6. Step 6: Final answer
    x = 445,319,053.51

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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.