Home / 1,705,750,136.91-2,556,990,663.42-721,823,167.17

Finding the Fourth Proportional to 1,705,750,136.91, 2,556,990,663.42 and 721,823,167.17

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Solution

The fourth proportional to 1,705,750,136.91, 2,556,990,663.42 and 721,823,167.17 is: 1,082,043,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,750,136.91 : 2,556,990,663.42 = 721,823,167.17 : x
  2. Step 2: Convert to fraction form
    1,705,750,136.91/2,556,990,663.42 = 721,823,167.17/x
  3. Step 3: Cross multiply
    1,705,750,136.91x = 2,556,990,663.42 × 721,823,167.17
  4. Step 4: Simplify right side
    1,705,750,136.91x = 1,845,695,099,093,943,808
  5. Step 5: Solve for x
    x = 1,845,695,099,093,943,808/1,705,750,136.91
  6. Step 6: Final answer
    x = 1,082,043,060.80

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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.