Home / 629,530,259.70-944,295,389.55-220,533,266.10

Finding the Fourth Proportional to 629,530,259.70, 944,295,389.55 and 220,533,266.10

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Solution

The fourth proportional to 629,530,259.70, 944,295,389.55 and 220,533,266.10 is: 330,799,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,530,259.70 : 944,295,389.55 = 220,533,266.10 : x
  2. Step 2: Convert to fraction form
    629,530,259.70/944,295,389.55 = 220,533,266.10/x
  3. Step 3: Cross multiply
    629,530,259.70x = 944,295,389.55 × 220,533,266.10
  4. Step 4: Simplify right side
    629,530,259.70x = 208,248,546,420,633,280
  5. Step 5: Solve for x
    x = 208,248,546,420,633,280/629,530,259.70
  6. Step 6: Final answer
    x = 330,799,899.15

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Double scale
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Similar ratio
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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.