Home / 1,309,910,396.22-1,807,834,861.17-745,532,505.54

Finding the Fourth Proportional to 1,309,910,396.22, 1,807,834,861.17 and 745,532,505.54

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Solution

The fourth proportional to 1,309,910,396.22, 1,807,834,861.17 and 745,532,505.54 is: 1,028,925,075.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,910,396.22 : 1,807,834,861.17 = 745,532,505.54 : x
  2. Step 2: Convert to fraction form
    1,309,910,396.22/1,807,834,861.17 = 745,532,505.54/x
  3. Step 3: Cross multiply
    1,309,910,396.22x = 1,807,834,861.17 × 745,532,505.54
  4. Step 4: Simplify right side
    1,309,910,396.22x = 1,347,799,653,650,628,096
  5. Step 5: Solve for x
    x = 1,347,799,653,650,628,096/1,309,910,396.22
  6. Step 6: Final answer
    x = 1,028,925,075.75

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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.