Home / 2,021,221,662.40-3,032,966,234.40-856,491,947.20

Finding the Fourth Proportional to 2,021,221,662.40, 3,032,966,234.40 and 856,491,947.20

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Solution

The fourth proportional to 2,021,221,662.40, 3,032,966,234.40 and 856,491,947.20 is: 1,285,218,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,221,662.40 : 3,032,966,234.40 = 856,491,947.20 : x
  2. Step 2: Convert to fraction form
    2,021,221,662.40/3,032,966,234.40 = 856,491,947.20/x
  3. Step 3: Cross multiply
    2,021,221,662.40x = 3,032,966,234.40 × 856,491,947.20
  4. Step 4: Simplify right side
    2,021,221,662.40x = 2,597,711,155,893,107,712
  5. Step 5: Solve for x
    x = 2,597,711,155,893,107,712/2,021,221,662.40
  6. Step 6: Final answer
    x = 1,285,218,343.05

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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.