Home / 19,754,619,162.20-29,627,184,180.12-9,120,626,318.06

Finding the Fourth Proportional to 19,754,619,162.20, 29,627,184,180.12 and 9,120,626,318.06

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Solution

The fourth proportional to 19,754,619,162.20, 29,627,184,180.12 and 9,120,626,318.06 is: 13,678,748,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754,619,162.20 : 29,627,184,180.12 = 9,120,626,318.06 : x
  2. Step 2: Convert to fraction form
    19,754,619,162.20/29,627,184,180.12 = 9,120,626,318.06/x
  3. Step 3: Cross multiply
    19,754,619,162.20x = 29,627,184,180.12 × 9,120,626,318.06
  4. Step 4: Simplify right side
    19,754,619,162.20x = 270,218,475,763,213,336,576
  5. Step 5: Solve for x
    x = 270,218,475,763,213,336,576/19,754,619,162.20
  6. Step 6: Final answer
    x = 13,678,748,931.81

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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.