Home / 800,313,711.21-1,104,432,921.45-434,033,007.21

Finding the Fourth Proportional to 800,313,711.21, 1,104,432,921.45 and 434,033,007.21

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Solution

The fourth proportional to 800,313,711.21, 1,104,432,921.45 and 434,033,007.21 is: 598,965,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,313,711.21 : 1,104,432,921.45 = 434,033,007.21 : x
  2. Step 2: Convert to fraction form
    800,313,711.21/1,104,432,921.45 = 434,033,007.21/x
  3. Step 3: Cross multiply
    800,313,711.21x = 1,104,432,921.45 × 434,033,007.21
  4. Step 4: Simplify right side
    800,313,711.21x = 479,360,342,158,669,184
  5. Step 5: Solve for x
    x = 479,360,342,158,669,184/800,313,711.21
  6. Step 6: Final answer
    x = 598,965,549.94

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1.5x scale

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.