Home / 13,196,796,365.45-18,212,233,294.46-8,186,158,041.05

Finding the Fourth Proportional to 13,196,796,365.45, 18,212,233,294.46 and 8,186,158,041.05

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Solution

The fourth proportional to 13,196,796,365.45, 18,212,233,294.46 and 8,186,158,041.05 is: 11,297,303,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,796,365.45 : 18,212,233,294.46 = 8,186,158,041.05 : x
  2. Step 2: Convert to fraction form
    13,196,796,365.45/18,212,233,294.46 = 8,186,158,041.05/x
  3. Step 3: Cross multiply
    13,196,796,365.45x = 18,212,233,294.46 × 8,186,158,041.05
  4. Step 4: Simplify right side
    13,196,796,365.45x = 149,088,220,028,992,356,352
  5. Step 5: Solve for x
    x = 149,088,220,028,992,356,352/13,196,796,365.45
  6. Step 6: Final answer
    x = 11,297,303,974.42

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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.