Home / 629,801,200.80-944,701,801.20-354,302,186.40

Finding the Fourth Proportional to 629,801,200.80, 944,701,801.20 and 354,302,186.40

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Solution

The fourth proportional to 629,801,200.80, 944,701,801.20 and 354,302,186.40 is: 531,453,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,801,200.80 : 944,701,801.20 = 354,302,186.40 : x
  2. Step 2: Convert to fraction form
    629,801,200.80/944,701,801.20 = 354,302,186.40/x
  3. Step 3: Cross multiply
    629,801,200.80x = 944,701,801.20 × 354,302,186.40
  4. Step 4: Simplify right side
    629,801,200.80x = 334,709,913,661,178,112
  5. Step 5: Solve for x
    x = 334,709,913,661,178,112/629,801,200.80
  6. Step 6: Final answer
    x = 531,453,279.60

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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.