Home / 1,180,478,608.45-1,771,101,028.91-351,439,421.97

Finding the Fourth Proportional to 1,180,478,608.45, 1,771,101,028.91 and 351,439,421.97

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Solution

The fourth proportional to 1,180,478,608.45, 1,771,101,028.91 and 351,439,421.97 is: 527,273,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,478,608.45 : 1,771,101,028.91 = 351,439,421.97 : x
  2. Step 2: Convert to fraction form
    1,180,478,608.45/1,771,101,028.91 = 351,439,421.97/x
  3. Step 3: Cross multiply
    1,180,478,608.45x = 1,771,101,028.91 × 351,439,421.97
  4. Step 4: Simplify right side
    1,180,478,608.45x = 622,434,721,850,602,752
  5. Step 5: Solve for x
    x = 622,434,721,850,602,752/1,180,478,608.45
  6. Step 6: Final answer
    x = 527,273,190.21

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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.