Home / 1,185,329,216.20-1,777,993,824.30-1,118,816,422.60

Finding the Fourth Proportional to 1,185,329,216.20, 1,777,993,824.30 and 1,118,816,422.60

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Solution

The fourth proportional to 1,185,329,216.20, 1,777,993,824.30 and 1,118,816,422.60 is: 1,678,224,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,329,216.20 : 1,777,993,824.30 = 1,118,816,422.60 : x
  2. Step 2: Convert to fraction form
    1,185,329,216.20/1,777,993,824.30 = 1,118,816,422.60/x
  3. Step 3: Cross multiply
    1,185,329,216.20x = 1,777,993,824.30 × 1,118,816,422.60
  4. Step 4: Simplify right side
    1,185,329,216.20x = 1,989,248,689,908,218,624
  5. Step 5: Solve for x
    x = 1,989,248,689,908,218,624/1,185,329,216.20
  6. Step 6: Final answer
    x = 1,678,224,633.90

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Double scale
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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.