Home / 629,857,266.40-944,785,899.60-446,191,256.80

Finding the Fourth Proportional to 629,857,266.40, 944,785,899.60 and 446,191,256.80

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Solution

The fourth proportional to 629,857,266.40, 944,785,899.60 and 446,191,256.80 is: 669,286,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,266.40 : 944,785,899.60 = 446,191,256.80 : x
  2. Step 2: Convert to fraction form
    629,857,266.40/944,785,899.60 = 446,191,256.80/x
  3. Step 3: Cross multiply
    629,857,266.40x = 944,785,899.60 × 446,191,256.80
  4. Step 4: Simplify right side
    629,857,266.40x = 421,555,207,949,442,624
  5. Step 5: Solve for x
    x = 421,555,207,949,442,624/629,857,266.40
  6. Step 6: Final answer
    x = 669,286,885.20

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Double scale
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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.