Home / 648,190,176.66-972,328,523.85-227,961,130.14

Finding the Fourth Proportional to 648,190,176.66, 972,328,523.85 and 227,961,130.14

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Solution

The fourth proportional to 648,190,176.66, 972,328,523.85 and 227,961,130.14 is: 341,956,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,190,176.66 : 972,328,523.85 = 227,961,130.14 : x
  2. Step 2: Convert to fraction form
    648,190,176.66/972,328,523.85 = 227,961,130.14/x
  3. Step 3: Cross multiply
    648,190,176.66x = 972,328,523.85 × 227,961,130.14
  4. Step 4: Simplify right side
    648,190,176.66x = 221,653,109,164,203,936
  5. Step 5: Solve for x
    x = 221,653,109,164,203,936/648,190,176.66
  6. Step 6: Final answer
    x = 341,956,908.86

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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.