Home / 786,764,423.34-1,085,706,464.22-434,332,861.61

Finding the Fourth Proportional to 786,764,423.34, 1,085,706,464.22 and 434,332,861.61

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Solution

The fourth proportional to 786,764,423.34, 1,085,706,464.22 and 434,332,861.61 is: 599,363,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,764,423.34 : 1,085,706,464.22 = 434,332,861.61 : x
  2. Step 2: Convert to fraction form
    786,764,423.34/1,085,706,464.22 = 434,332,861.61/x
  3. Step 3: Cross multiply
    786,764,423.34x = 1,085,706,464.22 × 434,332,861.61
  4. Step 4: Simplify right side
    786,764,423.34x = 471,557,995,467,719,168
  5. Step 5: Solve for x
    x = 471,557,995,467,719,168/786,764,423.34
  6. Step 6: Final answer
    x = 599,363,648.73

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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.