Home / 13,145,534,609.54-18,141,276,476.86-7,205,102,333.06

Finding the Fourth Proportional to 13,145,534,609.54, 18,141,276,476.86 and 7,205,102,333.06

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Solution

The fourth proportional to 13,145,534,609.54, 18,141,276,476.86 and 7,205,102,333.06 is: 9,943,281,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,534,609.54 : 18,141,276,476.86 = 7,205,102,333.06 : x
  2. Step 2: Convert to fraction form
    13,145,534,609.54/18,141,276,476.86 = 7,205,102,333.06/x
  3. Step 3: Cross multiply
    13,145,534,609.54x = 18,141,276,476.86 × 7,205,102,333.06
  4. Step 4: Simplify right side
    13,145,534,609.54x = 130,709,753,468,009,005,056
  5. Step 5: Solve for x
    x = 130,709,753,468,009,005,056/13,145,534,609.54
  6. Step 6: Final answer
    x = 9,943,281,680.85

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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.