Home / 463,766,965.78-639,994,640.25-254,920,887.94

Finding the Fourth Proportional to 463,766,965.78, 639,994,640.25 and 254,920,887.94

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Solution

The fourth proportional to 463,766,965.78, 639,994,640.25 and 254,920,887.94 is: 351,788,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,766,965.78 : 639,994,640.25 = 254,920,887.94 : x
  2. Step 2: Convert to fraction form
    463,766,965.78/639,994,640.25 = 254,920,887.94/x
  3. Step 3: Cross multiply
    463,766,965.78x = 639,994,640.25 × 254,920,887.94
  4. Step 4: Simplify right side
    463,766,965.78x = 163,148,001,969,370,848
  5. Step 5: Solve for x
    x = 163,148,001,969,370,848/463,766,965.78
  6. Step 6: Final answer
    x = 351,788,751.70

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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.