Home / 1,251,766,310.40-1,878,885,227.52-939,788,835.84

Finding the Fourth Proportional to 1,251,766,310.40, 1,878,885,227.52 and 939,788,835.84

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Solution

The fourth proportional to 1,251,766,310.40, 1,878,885,227.52 and 939,788,835.84 is: 1,410,611,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,766,310.40 : 1,878,885,227.52 = 939,788,835.84 : x
  2. Step 2: Convert to fraction form
    1,251,766,310.40/1,878,885,227.52 = 939,788,835.84/x
  3. Step 3: Cross multiply
    1,251,766,310.40x = 1,878,885,227.52 × 939,788,835.84
  4. Step 4: Simplify right side
    1,251,766,310.40x = 1,765,755,360,647,994,368
  5. Step 5: Solve for x
    x = 1,765,755,360,647,994,368/1,251,766,310.40
  6. Step 6: Final answer
    x = 1,410,611,026.98

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.