Home / 1,238,964,038.60-1,858,446,057.90-548,137,977.80

Finding the Fourth Proportional to 1,238,964,038.60, 1,858,446,057.90 and 548,137,977.80

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Solution

The fourth proportional to 1,238,964,038.60, 1,858,446,057.90 and 548,137,977.80 is: 822,206,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,964,038.60 : 1,858,446,057.90 = 548,137,977.80 : x
  2. Step 2: Convert to fraction form
    1,238,964,038.60/1,858,446,057.90 = 548,137,977.80/x
  3. Step 3: Cross multiply
    1,238,964,038.60x = 1,858,446,057.90 × 548,137,977.80
  4. Step 4: Simplify right side
    1,238,964,038.60x = 1,018,684,864,027,687,680
  5. Step 5: Solve for x
    x = 1,018,684,864,027,687,680/1,238,964,038.60
  6. Step 6: Final answer
    x = 822,206,966.70

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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.