Home / 759,694,813.80-1,139,542,220.70-637,250,807.40

Finding the Fourth Proportional to 759,694,813.80, 1,139,542,220.70 and 637,250,807.40

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Solution

The fourth proportional to 759,694,813.80, 1,139,542,220.70 and 637,250,807.40 is: 955,876,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,694,813.80 : 1,139,542,220.70 = 637,250,807.40 : x
  2. Step 2: Convert to fraction form
    759,694,813.80/1,139,542,220.70 = 637,250,807.40/x
  3. Step 3: Cross multiply
    759,694,813.80x = 1,139,542,220.70 × 637,250,807.40
  4. Step 4: Simplify right side
    759,694,813.80x = 726,174,200,207,463,936
  5. Step 5: Solve for x
    x = 726,174,200,207,463,936/759,694,813.80
  6. Step 6: Final answer
    x = 955,876,211.10

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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.