Home / 972,695,475.38-1,459,132,907.11-317,649,934.80

Finding the Fourth Proportional to 972,695,475.38, 1,459,132,907.11 and 317,649,934.80

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Solution

The fourth proportional to 972,695,475.38, 1,459,132,907.11 and 317,649,934.80 is: 476,504,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,695,475.38 : 1,459,132,907.11 = 317,649,934.80 : x
  2. Step 2: Convert to fraction form
    972,695,475.38/1,459,132,907.11 = 317,649,934.80/x
  3. Step 3: Cross multiply
    972,695,475.38x = 1,459,132,907.11 × 317,649,934.80
  4. Step 4: Simplify right side
    972,695,475.38x = 463,493,472,807,231,872
  5. Step 5: Solve for x
    x = 463,493,472,807,231,872/972,695,475.38
  6. Step 6: Final answer
    x = 476,504,193.28

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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.