Home / 1,172,493,960.99-1,758,797,501.35-385,530,189.81

Finding the Fourth Proportional to 1,172,493,960.99, 1,758,797,501.35 and 385,530,189.81

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Solution

The fourth proportional to 1,172,493,960.99, 1,758,797,501.35 and 385,530,189.81 is: 578,313,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,493,960.99 : 1,758,797,501.35 = 385,530,189.81 : x
  2. Step 2: Convert to fraction form
    1,172,493,960.99/1,758,797,501.35 = 385,530,189.81/x
  3. Step 3: Cross multiply
    1,172,493,960.99x = 1,758,797,501.35 × 385,530,189.81
  4. Step 4: Simplify right side
    1,172,493,960.99x = 678,069,534,523,061,504
  5. Step 5: Solve for x
    x = 678,069,534,523,061,504/1,172,493,960.99
  6. Step 6: Final answer
    x = 578,313,882.28

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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.