Home / 1,396,764,362.72-1,927,581,353.39-761,719,503.53

Finding the Fourth Proportional to 1,396,764,362.72, 1,927,581,353.39 and 761,719,503.53

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Solution

The fourth proportional to 1,396,764,362.72, 1,927,581,353.39 and 761,719,503.53 is: 1,051,198,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,764,362.72 : 1,927,581,353.39 = 761,719,503.53 : x
  2. Step 2: Convert to fraction form
    1,396,764,362.72/1,927,581,353.39 = 761,719,503.53/x
  3. Step 3: Cross multiply
    1,396,764,362.72x = 1,927,581,353.39 × 761,719,503.53
  4. Step 4: Simplify right side
    1,396,764,362.72x = 1,468,276,311,517,916,416
  5. Step 5: Solve for x
    x = 1,468,276,311,517,916,416/1,396,764,362.72
  6. Step 6: Final answer
    x = 1,051,198,291.36

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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.