Home / 1,617,070,227.12-2,231,563,636.80-874,514,289.60

Finding the Fourth Proportional to 1,617,070,227.12, 2,231,563,636.80 and 874,514,289.60

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Solution

The fourth proportional to 1,617,070,227.12, 2,231,563,636.80 and 874,514,289.60 is: 1,206,833,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,070,227.12 : 2,231,563,636.80 = 874,514,289.60 : x
  2. Step 2: Convert to fraction form
    1,617,070,227.12/2,231,563,636.80 = 874,514,289.60/x
  3. Step 3: Cross multiply
    1,617,070,227.12x = 2,231,563,636.80 × 874,514,289.60
  4. Step 4: Simplify right side
    1,617,070,227.12x = 1,951,534,288,533,344,512
  5. Step 5: Solve for x
    x = 1,951,534,288,533,344,512/1,617,070,227.12
  6. Step 6: Final answer
    x = 1,206,833,355.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.