Home / 624,032,021.70-936,048,032.55-469,843,272.90

Finding the Fourth Proportional to 624,032,021.70, 936,048,032.55 and 469,843,272.90

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Solution

The fourth proportional to 624,032,021.70, 936,048,032.55 and 469,843,272.90 is: 704,764,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,032,021.70 : 936,048,032.55 = 469,843,272.90 : x
  2. Step 2: Convert to fraction form
    624,032,021.70/936,048,032.55 = 469,843,272.90/x
  3. Step 3: Cross multiply
    624,032,021.70x = 936,048,032.55 × 469,843,272.90
  4. Step 4: Simplify right side
    624,032,021.70x = 439,795,871,204,897,664
  5. Step 5: Solve for x
    x = 439,795,871,204,897,664/624,032,021.70
  6. Step 6: Final answer
    x = 704,764,909.35

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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.