Home / 1,553,868,966.30-2,330,430,201.45-897,400,383.90

Finding the Fourth Proportional to 1,553,868,966.30, 2,330,430,201.45 and 897,400,383.90

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Solution

The fourth proportional to 1,553,868,966.30, 2,330,430,201.45 and 897,400,383.90 is: 1,345,885,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,868,966.30 : 2,330,430,201.45 = 897,400,383.90 : x
  2. Step 2: Convert to fraction form
    1,553,868,966.30/2,330,430,201.45 = 897,400,383.90/x
  3. Step 3: Cross multiply
    1,553,868,966.30x = 2,330,430,201.45 × 897,400,383.90
  4. Step 4: Simplify right side
    1,553,868,966.30x = 2,091,328,957,433,384,192
  5. Step 5: Solve for x
    x = 2,091,328,957,433,384,192/1,553,868,966.30
  6. Step 6: Final answer
    x = 1,345,885,015.27

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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.