Home / 385,635,898.57-578,378,525.77-123,250,066.30

Finding the Fourth Proportional to 385,635,898.57, 578,378,525.77 and 123,250,066.30

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Solution

The fourth proportional to 385,635,898.57, 578,378,525.77 and 123,250,066.30 is: 184,851,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,635,898.57 : 578,378,525.77 = 123,250,066.30 : x
  2. Step 2: Convert to fraction form
    385,635,898.57/578,378,525.77 = 123,250,066.30/x
  3. Step 3: Cross multiply
    385,635,898.57x = 578,378,525.77 × 123,250,066.30
  4. Step 4: Simplify right side
    385,635,898.57x = 71,285,191,647,032,504
  5. Step 5: Solve for x
    x = 71,285,191,647,032,504/385,635,898.57
  6. Step 6: Final answer
    x = 184,851,026.35

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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.