Home / 13,286,058,208.20-19,931,957,093.70-3,970,747,783.80

Finding the Fourth Proportional to 13,286,058,208.20, 19,931,957,093.70 and 3,970,747,783.80

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Solution

The fourth proportional to 13,286,058,208.20, 19,931,957,093.70 and 3,970,747,783.80 is: 5,956,979,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,058,208.20 : 19,931,957,093.70 = 3,970,747,783.80 : x
  2. Step 2: Convert to fraction form
    13,286,058,208.20/19,931,957,093.70 = 3,970,747,783.80/x
  3. Step 3: Cross multiply
    13,286,058,208.20x = 19,931,957,093.70 × 3,970,747,783.80
  4. Step 4: Simplify right side
    13,286,058,208.20x = 79,144,774,456,605,966,336
  5. Step 5: Solve for x
    x = 79,144,774,456,605,966,336/13,286,058,208.20
  6. Step 6: Final answer
    x = 5,956,979,355.08

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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.