Home / 403,775,398-557,396,052.64-236,488,443.76

Finding the Fourth Proportional to 403,775,398, 557,396,052.64 and 236,488,443.76

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Solution

The fourth proportional to 403,775,398, 557,396,052.64 and 236,488,443.76 is: 326,462,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775,398 : 557,396,052.64 = 236,488,443.76 : x
  2. Step 2: Convert to fraction form
    403,775,398/557,396,052.64 = 236,488,443.76/x
  3. Step 3: Cross multiply
    403,775,398x = 557,396,052.64 × 236,488,443.76
  4. Step 4: Simplify right side
    403,775,398x = 131,817,725,046,800,624
  5. Step 5: Solve for x
    x = 131,817,725,046,800,624/403,775,398
  6. Step 6: Final answer
    x = 326,462,993.29

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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.