Home / 543,830,457.97-815,164,904.39-310,158,016.31

Finding the Fourth Proportional to 543,830,457.97, 815,164,904.39 and 310,158,016.31

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Solution

The fourth proportional to 543,830,457.97, 815,164,904.39 and 310,158,016.31 is: 464,905,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,830,457.97 : 815,164,904.39 = 310,158,016.31 : x
  2. Step 2: Convert to fraction form
    543,830,457.97/815,164,904.39 = 310,158,016.31/x
  3. Step 3: Cross multiply
    543,830,457.97x = 815,164,904.39 × 310,158,016.31
  4. Step 4: Simplify right side
    543,830,457.97x = 252,829,929,712,395,744
  5. Step 5: Solve for x
    x = 252,829,929,712,395,744/543,830,457.97
  6. Step 6: Final answer
    x = 464,905,791.88

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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.