Home / 463,766,963.78-639,994,637.48-254,920,885.94

Finding the Fourth Proportional to 463,766,963.78, 639,994,637.48 and 254,920,885.94

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Solution

The fourth proportional to 463,766,963.78, 639,994,637.48 and 254,920,885.94 is: 351,788,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,766,963.78 : 639,994,637.48 = 254,920,885.94 : x
  2. Step 2: Convert to fraction form
    463,766,963.78/639,994,637.48 = 254,920,885.94/x
  3. Step 3: Cross multiply
    463,766,963.78x = 639,994,637.48 × 254,920,885.94
  4. Step 4: Simplify right side
    463,766,963.78x = 163,147,999,983,250,720
  5. Step 5: Solve for x
    x = 163,147,999,983,250,720/463,766,963.78
  6. Step 6: Final answer
    x = 351,788,748.93

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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.