Home / 404,549,684.42-558,279,534.94-218,912,692.10

Finding the Fourth Proportional to 404,549,684.42, 558,279,534.94 and 218,912,692.10

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Solution

The fourth proportional to 404,549,684.42, 558,279,534.94 and 218,912,692.10 is: 302,100,040.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,549,684.42 : 558,279,534.94 = 218,912,692.10 : x
  2. Step 2: Convert to fraction form
    404,549,684.42/558,279,534.94 = 218,912,692.10/x
  3. Step 3: Cross multiply
    404,549,684.42x = 558,279,534.94 × 218,912,692.10
  4. Step 4: Simplify right side
    404,549,684.42x = 122,214,475,934,712,736
  5. Step 5: Solve for x
    x = 122,214,475,934,712,736/404,549,684.42
  6. Step 6: Final answer
    x = 302,100,040.22

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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.