Home / 19,211,313,853.29-28,825,253,386.34-7,428,727,831.53

Finding the Fourth Proportional to 19,211,313,853.29, 28,825,253,386.34 and 7,428,727,831.53

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Solution

The fourth proportional to 19,211,313,853.29, 28,825,253,386.34 and 7,428,727,831.53 is: 11,146,294,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211,313,853.29 : 28,825,253,386.34 = 7,428,727,831.53 : x
  2. Step 2: Convert to fraction form
    19,211,313,853.29/28,825,253,386.34 = 7,428,727,831.53/x
  3. Step 3: Cross multiply
    19,211,313,853.29x = 28,825,253,386.34 × 7,428,727,831.53
  4. Step 4: Simplify right side
    19,211,313,853.29x = 214,134,962,082,008,334,336
  5. Step 5: Solve for x
    x = 214,134,962,082,008,334,336/19,211,313,853.29
  6. Step 6: Final answer
    x = 11,146,294,507.36

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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.