Home / 1,216,123,972.60-1,824,185,958.90-699,563,320.60

Finding the Fourth Proportional to 1,216,123,972.60, 1,824,185,958.90 and 699,563,320.60

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Solution

The fourth proportional to 1,216,123,972.60, 1,824,185,958.90 and 699,563,320.60 is: 1,049,344,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,123,972.60 : 1,824,185,958.90 = 699,563,320.60 : x
  2. Step 2: Convert to fraction form
    1,216,123,972.60/1,824,185,958.90 = 699,563,320.60/x
  3. Step 3: Cross multiply
    1,216,123,972.60x = 1,824,185,958.90 × 699,563,320.60
  4. Step 4: Simplify right side
    1,216,123,972.60x = 1,276,133,586,799,979,264
  5. Step 5: Solve for x
    x = 1,276,133,586,799,979,264/1,216,123,972.60
  6. Step 6: Final answer
    x = 1,049,344,980.90

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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.