Home / 3,889,428,509.26-5,835,070,903.32-1,269,237,489.18

Finding the Fourth Proportional to 3,889,428,509.26, 5,835,070,903.32 and 1,269,237,489.18

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Solution

The fourth proportional to 3,889,428,509.26, 5,835,070,903.32 and 1,269,237,489.18 is: 1,904,159,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,428,509.26 : 5,835,070,903.32 = 1,269,237,489.18 : x
  2. Step 2: Convert to fraction form
    3,889,428,509.26/5,835,070,903.32 = 1,269,237,489.18/x
  3. Step 3: Cross multiply
    3,889,428,509.26x = 5,835,070,903.32 × 1,269,237,489.18
  4. Step 4: Simplify right side
    3,889,428,509.26x = 7,406,090,742,517,151,744
  5. Step 5: Solve for x
    x = 7,406,090,742,517,151,744/3,889,428,509.26
  6. Step 6: Final answer
    x = 1,904,159,113.58

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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.