Home / 2,123,645,288.40-3,185,595,618.87-649,797,866.39

Finding the Fourth Proportional to 2,123,645,288.40, 3,185,595,618.87 and 649,797,866.39

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Solution

The fourth proportional to 2,123,645,288.40, 3,185,595,618.87 and 649,797,866.39 is: 974,735,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,645,288.40 : 3,185,595,618.87 = 649,797,866.39 : x
  2. Step 2: Convert to fraction form
    2,123,645,288.40/3,185,595,618.87 = 649,797,866.39/x
  3. Step 3: Cross multiply
    2,123,645,288.40x = 3,185,595,618.87 × 649,797,866.39
  4. Step 4: Simplify right side
    2,123,645,288.40x = 2,069,993,236,319,808,512
  5. Step 5: Solve for x
    x = 2,069,993,236,319,808,512/2,123,645,288.40
  6. Step 6: Final answer
    x = 974,735,869.32

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1.5x scale

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.