Home / 1,172,493,808.94-1,758,797,275.91-385,530,037.42

Finding the Fourth Proportional to 1,172,493,808.94, 1,758,797,275.91 and 385,530,037.42

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Solution

The fourth proportional to 1,172,493,808.94, 1,758,797,275.91 and 385,530,037.42 is: 578,313,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,493,808.94 : 1,758,797,275.91 = 385,530,037.42 : x
  2. Step 2: Convert to fraction form
    1,172,493,808.94/1,758,797,275.91 = 385,530,037.42/x
  3. Step 3: Cross multiply
    1,172,493,808.94x = 1,758,797,275.91 × 385,530,037.42
  4. Step 4: Simplify right side
    1,172,493,808.94x = 678,069,179,590,916,736
  5. Step 5: Solve for x
    x = 678,069,179,590,916,736/1,172,493,808.94
  6. Step 6: Final answer
    x = 578,313,654.56

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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.