Home / 970,846,347.25-1,456,296,653.79-315,797,376.62

Finding the Fourth Proportional to 970,846,347.25, 1,456,296,653.79 and 315,797,376.62

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Solution

The fourth proportional to 970,846,347.25, 1,456,296,653.79 and 315,797,376.62 is: 473,704,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,846,347.25 : 1,456,296,653.79 = 315,797,376.62 : x
  2. Step 2: Convert to fraction form
    970,846,347.25/1,456,296,653.79 = 315,797,376.62/x
  3. Step 3: Cross multiply
    970,846,347.25x = 1,456,296,653.79 × 315,797,376.62
  4. Step 4: Simplify right side
    970,846,347.25x = 459,894,662,840,084,928
  5. Step 5: Solve for x
    x = 459,894,662,840,084,928/970,846,347.25
  6. Step 6: Final answer
    x = 473,704,890.73

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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.