Home / 1,025,860,493.99-1,538,815,933.64-288,925,412.60

Finding the Fourth Proportional to 1,025,860,493.99, 1,538,815,933.64 and 288,925,412.60

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Solution

The fourth proportional to 1,025,860,493.99, 1,538,815,933.64 and 288,925,412.60 is: 433,395,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,860,493.99 : 1,538,815,933.64 = 288,925,412.60 : x
  2. Step 2: Convert to fraction form
    1,025,860,493.99/1,538,815,933.64 = 288,925,412.60/x
  3. Step 3: Cross multiply
    1,025,860,493.99x = 1,538,815,933.64 × 288,925,412.60
  4. Step 4: Simplify right side
    1,025,860,493.99x = 444,603,028,542,391,296
  5. Step 5: Solve for x
    x = 444,603,028,542,391,296/1,025,860,493.99
  6. Step 6: Final answer
    x = 433,395,214.21

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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.