Home / 5,381,944,020.40-8,072,916,030.60-3,930,755,796.40

Finding the Fourth Proportional to 5,381,944,020.40, 8,072,916,030.60 and 3,930,755,796.40

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Solution

The fourth proportional to 5,381,944,020.40, 8,072,916,030.60 and 3,930,755,796.40 is: 5,896,133,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,944,020.40 : 8,072,916,030.60 = 3,930,755,796.40 : x
  2. Step 2: Convert to fraction form
    5,381,944,020.40/8,072,916,030.60 = 3,930,755,796.40/x
  3. Step 3: Cross multiply
    5,381,944,020.40x = 8,072,916,030.60 × 3,930,755,796.40
  4. Step 4: Simplify right side
    5,381,944,020.40x = 31,732,661,481,131,433,984
  5. Step 5: Solve for x
    x = 31,732,661,481,131,433,984/5,381,944,020.40
  6. Step 6: Final answer
    x = 5,896,133,694.60

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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.