Home / 3,889,428,529.32-5,835,070,933.32-1,269,237,509.16

Finding the Fourth Proportional to 3,889,428,529.32, 5,835,070,933.32 and 1,269,237,509.16

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Solution

The fourth proportional to 3,889,428,529.32, 5,835,070,933.32 and 1,269,237,509.16 is: 1,904,159,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,428,529.32 : 5,835,070,933.32 = 1,269,237,509.16 : x
  2. Step 2: Convert to fraction form
    3,889,428,529.32/5,835,070,933.32 = 1,269,237,509.16/x
  3. Step 3: Cross multiply
    3,889,428,529.32x = 5,835,070,933.32 × 1,269,237,509.16
  4. Step 4: Simplify right side
    3,889,428,529.32x = 7,406,090,897,178,993,664
  5. Step 5: Solve for x
    x = 7,406,090,897,178,993,664/3,889,428,529.32
  6. Step 6: Final answer
    x = 1,904,159,143.52

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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.