Home / 629,857,864.60-944,786,796.90-553,330,360.60

Finding the Fourth Proportional to 629,857,864.60, 944,786,796.90 and 553,330,360.60

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Solution

The fourth proportional to 629,857,864.60, 944,786,796.90 and 553,330,360.60 is: 829,995,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,864.60 : 944,786,796.90 = 553,330,360.60 : x
  2. Step 2: Convert to fraction form
    629,857,864.60/944,786,796.90 = 553,330,360.60/x
  3. Step 3: Cross multiply
    629,857,864.60x = 944,786,796.90 × 553,330,360.60
  4. Step 4: Simplify right side
    629,857,864.60x = 522,779,219,018,795,968
  5. Step 5: Solve for x
    x = 522,779,219,018,795,968/629,857,864.60
  6. Step 6: Final answer
    x = 829,995,540.90

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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.