Home / 577,174,470.09-796,510,974.47-312,865,240.65

Finding the Fourth Proportional to 577,174,470.09, 796,510,974.47 and 312,865,240.65

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Solution

The fourth proportional to 577,174,470.09, 796,510,974.47 and 312,865,240.65 is: 431,759,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,174,470.09 : 796,510,974.47 = 312,865,240.65 : x
  2. Step 2: Convert to fraction form
    577,174,470.09/796,510,974.47 = 312,865,240.65/x
  3. Step 3: Cross multiply
    577,174,470.09x = 796,510,974.47 × 312,865,240.65
  4. Step 4: Simplify right side
    577,174,470.09x = 249,200,597,706,358,208
  5. Step 5: Solve for x
    x = 249,200,597,706,358,208/577,174,470.09
  6. Step 6: Final answer
    x = 431,759,564.26

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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.