Home / 629,858,820.40-944,788,230.60-538,025,815.60

Finding the Fourth Proportional to 629,858,820.40, 944,788,230.60 and 538,025,815.60

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Solution

The fourth proportional to 629,858,820.40, 944,788,230.60 and 538,025,815.60 is: 807,038,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,858,820.40 : 944,788,230.60 = 538,025,815.60 : x
  2. Step 2: Convert to fraction form
    629,858,820.40/944,788,230.60 = 538,025,815.60/x
  3. Step 3: Cross multiply
    629,858,820.40x = 944,788,230.60 × 538,025,815.60
  4. Step 4: Simplify right side
    629,858,820.40x = 508,320,458,337,845,888
  5. Step 5: Solve for x
    x = 508,320,458,337,845,888/629,858,820.40
  6. Step 6: Final answer
    x = 807,038,723.40

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1.5x scale

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.