Home / 673,721,373.78-929,683,604.61-380,394,894.42

Finding the Fourth Proportional to 673,721,373.78, 929,683,604.61 and 380,394,894.42

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Solution

The fourth proportional to 673,721,373.78, 929,683,604.61 and 380,394,894.42 is: 524,915,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,721,373.78 : 929,683,604.61 = 380,394,894.42 : x
  2. Step 2: Convert to fraction form
    673,721,373.78/929,683,604.61 = 380,394,894.42/x
  3. Step 3: Cross multiply
    673,721,373.78x = 929,683,604.61 × 380,394,894.42
  4. Step 4: Simplify right side
    673,721,373.78x = 353,646,896,619,625,984
  5. Step 5: Solve for x
    x = 353,646,896,619,625,984/673,721,373.78
  6. Step 6: Final answer
    x = 524,915,655.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.