Home / 972,695,476.38-1,459,132,908.61-317,649,935.80

Finding the Fourth Proportional to 972,695,476.38, 1,459,132,908.61 and 317,649,935.80

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Solution

The fourth proportional to 972,695,476.38, 1,459,132,908.61 and 317,649,935.80 is: 476,504,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,476.38 : 1,459,132,908.61 = 317,649,935.80 : x
  2. Step 2: Convert to fraction form
    972,695,476.38/1,459,132,908.61 = 317,649,935.80/x
  3. Step 3: Cross multiply
    972,695,476.38x = 1,459,132,908.61 × 317,649,935.80
  4. Step 4: Simplify right side
    972,695,476.38x = 463,493,474,743,633,728
  5. Step 5: Solve for x
    x = 463,493,474,743,633,728/972,695,476.38
  6. Step 6: Final answer
    x = 476,504,194.79

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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.