Home / 619,139,689.32-854,387,153.49-336,883,291.44

Finding the Fourth Proportional to 619,139,689.32, 854,387,153.49 and 336,883,291.44

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Solution

The fourth proportional to 619,139,689.32, 854,387,153.49 and 336,883,291.44 is: 464,885,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,139,689.32 : 854,387,153.49 = 336,883,291.44 : x
  2. Step 2: Convert to fraction form
    619,139,689.32/854,387,153.49 = 336,883,291.44/x
  3. Step 3: Cross multiply
    619,139,689.32x = 854,387,153.49 × 336,883,291.44
  4. Step 4: Simplify right side
    619,139,689.32x = 287,828,756,431,763,680
  5. Step 5: Solve for x
    x = 287,828,756,431,763,680/619,139,689.32
  6. Step 6: Final answer
    x = 464,885,003.17

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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.