Home / 629,856,738.40-944,785,107.60-626,030,363.20

Finding the Fourth Proportional to 629,856,738.40, 944,785,107.60 and 626,030,363.20

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Solution

The fourth proportional to 629,856,738.40, 944,785,107.60 and 626,030,363.20 is: 939,045,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,738.40 : 944,785,107.60 = 626,030,363.20 : x
  2. Step 2: Convert to fraction form
    629,856,738.40/944,785,107.60 = 626,030,363.20/x
  3. Step 3: Cross multiply
    629,856,738.40x = 944,785,107.60 × 626,030,363.20
  4. Step 4: Simplify right side
    629,856,738.40x = 591,464,164,056,779,136
  5. Step 5: Solve for x
    x = 591,464,164,056,779,136/629,856,738.40
  6. Step 6: Final answer
    x = 939,045,544.80

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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.