Home / 800,313,913.50-1,104,433,200.90-434,033,209.50

Finding the Fourth Proportional to 800,313,913.50, 1,104,433,200.90 and 434,033,209.50

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Solution

The fourth proportional to 800,313,913.50, 1,104,433,200.90 and 434,033,209.50 is: 598,965,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,313,913.50 : 1,104,433,200.90 = 434,033,209.50 : x
  2. Step 2: Convert to fraction form
    800,313,913.50/1,104,433,200.90 = 434,033,209.50/x
  3. Step 3: Cross multiply
    800,313,913.50x = 1,104,433,200.90 × 434,033,209.50
  4. Step 4: Simplify right side
    800,313,913.50x = 479,360,686,864,985,344
  5. Step 5: Solve for x
    x = 479,360,686,864,985,344/800,313,913.50
  6. Step 6: Final answer
    x = 598,965,829.26

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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.