Home / 404,603,726.81-558,353,137.61-218,964,742.50

Finding the Fourth Proportional to 404,603,726.81, 558,353,137.61 and 218,964,742.50

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Solution

The fourth proportional to 404,603,726.81, 558,353,137.61 and 218,964,742.50 is: 302,171,341.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,603,726.81 : 558,353,137.61 = 218,964,742.50 : x
  2. Step 2: Convert to fraction form
    404,603,726.81/558,353,137.61 = 218,964,742.50/x
  3. Step 3: Cross multiply
    404,603,726.81x = 558,353,137.61 × 218,964,742.50
  4. Step 4: Simplify right side
    404,603,726.81x = 122,259,651,001,912,960
  5. Step 5: Solve for x
    x = 122,259,651,001,912,960/404,603,726.81
  6. Step 6: Final answer
    x = 302,171,341.73

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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.