Home / 1,009,672,877.97-1,383,245,391.14-971,915,806.37

Finding the Fourth Proportional to 1,009,672,877.97, 1,383,245,391.14 and 971,915,806.37

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Solution

The fourth proportional to 1,009,672,877.97, 1,383,245,391.14 and 971,915,806.37 is: 1,331,518,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,672,877.97 : 1,383,245,391.14 = 971,915,806.37 : x
  2. Step 2: Convert to fraction form
    1,009,672,877.97/1,383,245,391.14 = 971,915,806.37/x
  3. Step 3: Cross multiply
    1,009,672,877.97x = 1,383,245,391.14 × 971,915,806.37
  4. Step 4: Simplify right side
    1,009,672,877.97x = 1,344,398,059,739,710,720
  5. Step 5: Solve for x
    x = 1,344,398,059,739,710,720/1,009,672,877.97
  6. Step 6: Final answer
    x = 1,331,518,444.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.