Home / 490,733,909.57-677,201,895.55-270,717,277.25

Finding the Fourth Proportional to 490,733,909.57, 677,201,895.55 and 270,717,277.25

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Solution

The fourth proportional to 490,733,909.57, 677,201,895.55 and 270,717,277.25 is: 373,583,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,733,909.57 : 677,201,895.55 = 270,717,277.25 : x
  2. Step 2: Convert to fraction form
    490,733,909.57/677,201,895.55 = 270,717,277.25/x
  3. Step 3: Cross multiply
    490,733,909.57x = 677,201,895.55 × 270,717,277.25
  4. Step 4: Simplify right side
    490,733,909.57x = 183,330,253,311,834,880
  5. Step 5: Solve for x
    x = 183,330,253,311,834,880/490,733,909.57
  6. Step 6: Final answer
    x = 373,583,829.72

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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.