Home / 743,816,649.90-1,026,436,153.22-404,726,525.48

Finding the Fourth Proportional to 743,816,649.90, 1,026,436,153.22 and 404,726,525.48

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Solution

The fourth proportional to 743,816,649.90, 1,026,436,153.22 and 404,726,525.48 is: 558,505,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,816,649.90 : 1,026,436,153.22 = 404,726,525.48 : x
  2. Step 2: Convert to fraction form
    743,816,649.90/1,026,436,153.22 = 404,726,525.48/x
  3. Step 3: Cross multiply
    743,816,649.90x = 1,026,436,153.22 × 404,726,525.48
  4. Step 4: Simplify right side
    743,816,649.90x = 415,425,937,915,667,136
  5. Step 5: Solve for x
    x = 415,425,937,915,667,136/743,816,649.90
  6. Step 6: Final answer
    x = 558,505,833.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.