Home / 979,668,618.14-1,351,942,766.16-539,635,470.14

Finding the Fourth Proportional to 979,668,618.14, 1,351,942,766.16 and 539,635,470.14

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Solution

The fourth proportional to 979,668,618.14, 1,351,942,766.16 and 539,635,470.14 is: 744,696,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,668,618.14 : 1,351,942,766.16 = 539,635,470.14 : x
  2. Step 2: Convert to fraction form
    979,668,618.14/1,351,942,766.16 = 539,635,470.14/x
  3. Step 3: Cross multiply
    979,668,618.14x = 1,351,942,766.16 × 539,635,470.14
  4. Step 4: Simplify right side
    979,668,618.14x = 729,556,270,219,123,712
  5. Step 5: Solve for x
    x = 729,556,270,219,123,712/979,668,618.14
  6. Step 6: Final answer
    x = 744,696,989.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.