Home / 20,335,470,840.36-28,062,234,007.02-11,179,933,019.64

Finding the Fourth Proportional to 20,335,470,840.36, 28,062,234,007.02 and 11,179,933,019.64

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Solution

The fourth proportional to 20,335,470,840.36, 28,062,234,007.02 and 11,179,933,019.64 is: 15,427,914,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335,470,840.36 : 28,062,234,007.02 = 11,179,933,019.64 : x
  2. Step 2: Convert to fraction form
    20,335,470,840.36/28,062,234,007.02 = 11,179,933,019.64/x
  3. Step 3: Cross multiply
    20,335,470,840.36x = 28,062,234,007.02 × 11,179,933,019.64
  4. Step 4: Simplify right side
    20,335,470,840.36x = 313,733,896,579,947,364,352
  5. Step 5: Solve for x
    x = 313,733,896,579,947,364,352/20,335,470,840.36
  6. Step 6: Final answer
    x = 15,427,914,064.19

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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.