Home / 1,692,803,737.27-2,538,199,691.14-643,618,740.44

Finding the Fourth Proportional to 1,692,803,737.27, 2,538,199,691.14 and 643,618,740.44

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Solution

The fourth proportional to 1,692,803,737.27, 2,538,199,691.14 and 643,618,740.44 is: 965,045,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,803,737.27 : 2,538,199,691.14 = 643,618,740.44 : x
  2. Step 2: Convert to fraction form
    1,692,803,737.27/2,538,199,691.14 = 643,618,740.44/x
  3. Step 3: Cross multiply
    1,692,803,737.27x = 2,538,199,691.14 × 643,618,740.44
  4. Step 4: Simplify right side
    1,692,803,737.27x = 1,633,632,888,202,618,624
  5. Step 5: Solve for x
    x = 1,633,632,888,202,618,624/1,692,803,737.27
  6. Step 6: Final answer
    x = 965,045,653.10

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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.