Home / 2,021,221,664.40-3,032,966,237.40-856,491,949.20

Finding the Fourth Proportional to 2,021,221,664.40, 3,032,966,237.40 and 856,491,949.20

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Solution

The fourth proportional to 2,021,221,664.40, 3,032,966,237.40 and 856,491,949.20 is: 1,285,218,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,221,664.40 : 3,032,966,237.40 = 856,491,949.20 : x
  2. Step 2: Convert to fraction form
    2,021,221,664.40/3,032,966,237.40 = 856,491,949.20/x
  3. Step 3: Cross multiply
    2,021,221,664.40x = 3,032,966,237.40 × 856,491,949.20
  4. Step 4: Simplify right side
    2,021,221,664.40x = 2,597,711,164,528,516,096
  5. Step 5: Solve for x
    x = 2,597,711,164,528,516,096/2,021,221,664.40
  6. Step 6: Final answer
    x = 1,285,218,346.05

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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.