Home / 409,867,941.42-614,801,430.28-133,518,703.43

Finding the Fourth Proportional to 409,867,941.42, 614,801,430.28 and 133,518,703.43

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Solution

The fourth proportional to 409,867,941.42, 614,801,430.28 and 133,518,703.43 is: 200,277,898.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,941.42 : 614,801,430.28 = 133,518,703.43 : x
  2. Step 2: Convert to fraction form
    409,867,941.42/614,801,430.28 = 133,518,703.43/x
  3. Step 3: Cross multiply
    409,867,941.42x = 614,801,430.28 × 133,518,703.43
  4. Step 4: Simplify right side
    409,867,941.42x = 82,087,489,837,895,136
  5. Step 5: Solve for x
    x = 82,087,489,837,895,136/409,867,941.42
  6. Step 6: Final answer
    x = 200,277,898.18

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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.