Home / 825,817,176.54-1,139,047,493.85-543,469,658.94

Finding the Fourth Proportional to 825,817,176.54, 1,139,047,493.85 and 543,469,658.94

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Solution

The fourth proportional to 825,817,176.54, 1,139,047,493.85 and 543,469,658.94 is: 749,606,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,817,176.54 : 1,139,047,493.85 = 543,469,658.94 : x
  2. Step 2: Convert to fraction form
    825,817,176.54/1,139,047,493.85 = 543,469,658.94/x
  3. Step 3: Cross multiply
    825,817,176.54x = 1,139,047,493.85 × 543,469,658.94
  4. Step 4: Simplify right side
    825,817,176.54x = 619,037,752,999,121,280
  5. Step 5: Solve for x
    x = 619,037,752,999,121,280/825,817,176.54
  6. Step 6: Final answer
    x = 749,606,293.72

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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.