Home / 621,072,851.40-931,609,277.10-608,979,616.20

Finding the Fourth Proportional to 621,072,851.40, 931,609,277.10 and 608,979,616.20

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Solution

The fourth proportional to 621,072,851.40, 931,609,277.10 and 608,979,616.20 is: 913,469,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,072,851.40 : 931,609,277.10 = 608,979,616.20 : x
  2. Step 2: Convert to fraction form
    621,072,851.40/931,609,277.10 = 608,979,616.20/x
  3. Step 3: Cross multiply
    621,072,851.40x = 931,609,277.10 × 608,979,616.20
  4. Step 4: Simplify right side
    621,072,851.40x = 567,331,060,016,717,504
  5. Step 5: Solve for x
    x = 567,331,060,016,717,504/621,072,851.40
  6. Step 6: Final answer
    x = 913,469,424.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.