Home / 524,522,544.80-723,935,861.52-312,842,942.24

Finding the Fourth Proportional to 524,522,544.80, 723,935,861.52 and 312,842,942.24

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Solution

The fourth proportional to 524,522,544.80, 723,935,861.52 and 312,842,942.24 is: 431,779,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,522,544.80 : 723,935,861.52 = 312,842,942.24 : x
  2. Step 2: Convert to fraction form
    524,522,544.80/723,935,861.52 = 312,842,942.24/x
  3. Step 3: Cross multiply
    524,522,544.80x = 723,935,861.52 × 312,842,942.24
  4. Step 4: Simplify right side
    524,522,544.80x = 226,478,224,910,965,984
  5. Step 5: Solve for x
    x = 226,478,224,910,965,984/524,522,544.80
  6. Step 6: Final answer
    x = 431,779,772.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.