Home / 463,766,964.78-639,994,638.87-254,920,886.94

Finding the Fourth Proportional to 463,766,964.78, 639,994,638.87 and 254,920,886.94

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Solution

The fourth proportional to 463,766,964.78, 639,994,638.87 and 254,920,886.94 is: 351,788,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,766,964.78 : 639,994,638.87 = 254,920,886.94 : x
  2. Step 2: Convert to fraction form
    463,766,964.78/639,994,638.87 = 254,920,886.94/x
  3. Step 3: Cross multiply
    463,766,964.78x = 639,994,638.87 × 254,920,886.94
  4. Step 4: Simplify right side
    463,766,964.78x = 163,148,000,977,585,408
  5. Step 5: Solve for x
    x = 163,148,000,977,585,408/463,766,964.78
  6. Step 6: Final answer
    x = 351,788,750.32

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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.