Home / 508,457,123.20-762,685,684.80-477,846,121.60

Finding the Fourth Proportional to 508,457,123.20, 762,685,684.80 and 477,846,121.60

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Solution

The fourth proportional to 508,457,123.20, 762,685,684.80 and 477,846,121.60 is: 716,769,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,457,123.20 : 762,685,684.80 = 477,846,121.60 : x
  2. Step 2: Convert to fraction form
    508,457,123.20/762,685,684.80 = 477,846,121.60/x
  3. Step 3: Cross multiply
    508,457,123.20x = 762,685,684.80 × 477,846,121.60
  4. Step 4: Simplify right side
    508,457,123.20x = 364,446,396,481,520,064
  5. Step 5: Solve for x
    x = 364,446,396,481,520,064/508,457,123.20
  6. Step 6: Final answer
    x = 716,769,182.40

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1.5x scale

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.