Home / 304,585,387,142.47-420,331,643,094.46-167,423,188,677.60

Finding the Fourth Proportional to 304,585,387,142.47, 420,331,643,094.46 and 167,423,188,677.60

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Solution

The fourth proportional to 304,585,387,142.47, 420,331,643,094.46 and 167,423,188,677.60 is: 231,046,094,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,585,387,142.47 : 420,331,643,094.46 = 167,423,188,677.60 : x
  2. Step 2: Convert to fraction form
    304,585,387,142.47/420,331,643,094.46 = 167,423,188,677.60/x
  3. Step 3: Cross multiply
    304,585,387,142.47x = 420,331,643,094.46 × 167,423,188,677.60
  4. Step 4: Simplify right side
    304,585,387,142.47x = 70,373,263,988,969,405,677,568
  5. Step 5: Solve for x
    x = 70,373,263,988,969,405,677,568/304,585,387,142.47
  6. Step 6: Final answer
    x = 231,046,094,000.74

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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.