Home / 613,143,267.04-919,727,961.68-219,695,786.72

Finding the Fourth Proportional to 613,143,267.04, 919,727,961.68 and 219,695,786.72

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Solution

The fourth proportional to 613,143,267.04, 919,727,961.68 and 219,695,786.72 is: 329,548,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,143,267.04 : 919,727,961.68 = 219,695,786.72 : x
  2. Step 2: Convert to fraction form
    613,143,267.04/919,727,961.68 = 219,695,786.72/x
  3. Step 3: Cross multiply
    613,143,267.04x = 919,727,961.68 × 219,695,786.72
  4. Step 4: Simplify right side
    613,143,267.04x = 202,060,358,109,669,600
  5. Step 5: Solve for x
    x = 202,060,358,109,669,600/613,143,267.04
  6. Step 6: Final answer
    x = 329,548,360.02

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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.