Home / 945,627,366.52-1,418,295,618.06-315,370,489.96

Finding the Fourth Proportional to 945,627,366.52, 1,418,295,618.06 and 315,370,489.96

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Solution

The fourth proportional to 945,627,366.52, 1,418,295,618.06 and 315,370,489.96 is: 473,007,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,627,366.52 : 1,418,295,618.06 = 315,370,489.96 : x
  2. Step 2: Convert to fraction form
    945,627,366.52/1,418,295,618.06 = 315,370,489.96/x
  3. Step 3: Cross multiply
    945,627,366.52x = 1,418,295,618.06 × 315,370,489.96
  4. Step 4: Simplify right side
    945,627,366.52x = 447,288,583,975,703,168
  5. Step 5: Solve for x
    x = 447,288,583,975,703,168/945,627,366.52
  6. Step 6: Final answer
    x = 473,007,232.88

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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.