Home / 556,052,972.78-767,302,387.29-329,952,997.94

Finding the Fourth Proportional to 556,052,972.78, 767,302,387.29 and 329,952,997.94

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Solution

The fourth proportional to 556,052,972.78, 767,302,387.29 and 329,952,997.94 is: 455,305,043.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,052,972.78 : 767,302,387.29 = 329,952,997.94 : x
  2. Step 2: Convert to fraction form
    556,052,972.78/767,302,387.29 = 329,952,997.94/x
  3. Step 3: Cross multiply
    556,052,972.78x = 767,302,387.29 × 329,952,997.94
  4. Step 4: Simplify right side
    556,052,972.78x = 253,173,723,009,017,920
  5. Step 5: Solve for x
    x = 253,173,723,009,017,920/556,052,972.78
  6. Step 6: Final answer
    x = 455,305,043.59

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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.