Home / 695,188,020.80-1,043,453,877.60-423,090,228.80

Finding the Fourth Proportional to 695,188,020.80, 1,043,453,877.60 and 423,090,228.80

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Solution

The fourth proportional to 695,188,020.80, 1,043,453,877.60 and 423,090,228.80 is: 635,044,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,188,020.80 : 1,043,453,877.60 = 423,090,228.80 : x
  2. Step 2: Convert to fraction form
    695,188,020.80/1,043,453,877.60 = 423,090,228.80/x
  3. Step 3: Cross multiply
    695,188,020.80x = 1,043,453,877.60 × 423,090,228.80
  4. Step 4: Simplify right side
    695,188,020.80x = 441,475,139,816,031,232
  5. Step 5: Solve for x
    x = 441,475,139,816,031,232/695,188,020.80
  6. Step 6: Final answer
    x = 635,044,227.76

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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.