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Finding the Fourth Proportional to 637,740,019.70, 956,610,029.55 and 483,551,270.90

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Solution

The fourth proportional to 637,740,019.70, 956,610,029.55 and 483,551,270.90 is: 725,326,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,740,019.70 : 956,610,029.55 = 483,551,270.90 : x
  2. Step 2: Convert to fraction form
    637,740,019.70/956,610,029.55 = 483,551,270.90/x
  3. Step 3: Cross multiply
    637,740,019.70x = 956,610,029.55 × 483,551,270.90
  4. Step 4: Simplify right side
    637,740,019.70x = 462,569,995,544,588,992
  5. Step 5: Solve for x
    x = 462,569,995,544,588,992/637,740,019.70
  6. Step 6: Final answer
    x = 725,326,906.35

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Similar ratio
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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.