Home / 1,396,764,361.72-1,927,581,352.01-761,719,502.53

Finding the Fourth Proportional to 1,396,764,361.72, 1,927,581,352.01 and 761,719,502.53

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Solution

The fourth proportional to 1,396,764,361.72, 1,927,581,352.01 and 761,719,502.53 is: 1,051,198,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,764,361.72 : 1,927,581,352.01 = 761,719,502.53 : x
  2. Step 2: Convert to fraction form
    1,396,764,361.72/1,927,581,352.01 = 761,719,502.53/x
  3. Step 3: Cross multiply
    1,396,764,361.72x = 1,927,581,352.01 × 761,719,502.53
  4. Step 4: Simplify right side
    1,396,764,361.72x = 1,468,276,308,539,161,856
  5. Step 5: Solve for x
    x = 1,468,276,308,539,161,856/1,396,764,361.72
  6. Step 6: Final answer
    x = 1,051,198,289.98

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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.