Home / 577,172,850.72-796,477,187.48-312,849,168.59

Finding the Fourth Proportional to 577,172,850.72, 796,477,187.48 and 312,849,168.59

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Solution

The fourth proportional to 577,172,850.72, 796,477,187.48 and 312,849,168.59 is: 431,720,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172,850.72 : 796,477,187.48 = 312,849,168.59 : x
  2. Step 2: Convert to fraction form
    577,172,850.72/796,477,187.48 = 312,849,168.59/x
  3. Step 3: Cross multiply
    577,172,850.72x = 796,477,187.48 × 312,849,168.59
  4. Step 4: Simplify right side
    577,172,850.72x = 249,177,225,898,472,928
  5. Step 5: Solve for x
    x = 249,177,225,898,472,928/577,172,850.72
  6. Step 6: Final answer
    x = 431,720,282.04

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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.