Home / 679,965,134.88-938,324,169.36-401,596,776.48

Finding the Fourth Proportional to 679,965,134.88, 938,324,169.36 and 401,596,776.48

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Solution

The fourth proportional to 679,965,134.88, 938,324,169.36 and 401,596,776.48 is: 554,187,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,965,134.88 : 938,324,169.36 = 401,596,776.48 : x
  2. Step 2: Convert to fraction form
    679,965,134.88/938,324,169.36 = 401,596,776.48/x
  3. Step 3: Cross multiply
    679,965,134.88x = 938,324,169.36 × 401,596,776.48
  4. Step 4: Simplify right side
    679,965,134.88x = 376,827,961,708,249,600
  5. Step 5: Solve for x
    x = 376,827,961,708,249,600/679,965,134.88
  6. Step 6: Final answer
    x = 554,187,181.63

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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.