Home / 12,847,245,657.89-17,729,250,025.95-7,208,093,320.43

Finding the Fourth Proportional to 12,847,245,657.89, 17,729,250,025.95 and 7,208,093,320.43

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Solution

The fourth proportional to 12,847,245,657.89, 17,729,250,025.95 and 7,208,093,320.43 is: 9,947,197,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,245,657.89 : 17,729,250,025.95 = 7,208,093,320.43 : x
  2. Step 2: Convert to fraction form
    12,847,245,657.89/17,729,250,025.95 = 7,208,093,320.43/x
  3. Step 3: Cross multiply
    12,847,245,657.89x = 17,729,250,025.95 × 7,208,093,320.43
  4. Step 4: Simplify right side
    12,847,245,657.89x = 127,794,088,688,194,961,408
  5. Step 5: Solve for x
    x = 127,794,088,688,194,961,408/12,847,245,657.89
  6. Step 6: Final answer
    x = 9,947,197,406.45

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1.5x scale

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.