Home / 11,881,163,216.89-16,379,621,908.79-9,478,002,252.21

Finding the Fourth Proportional to 11,881,163,216.89, 16,379,621,908.79 and 9,478,002,252.21

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Solution

The fourth proportional to 11,881,163,216.89, 16,379,621,908.79 and 9,478,002,252.21 is: 13,066,573,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881,163,216.89 : 16,379,621,908.79 = 9,478,002,252.21 : x
  2. Step 2: Convert to fraction form
    11,881,163,216.89/16,379,621,908.79 = 9,478,002,252.21/x
  3. Step 3: Cross multiply
    11,881,163,216.89x = 16,379,621,908.79 × 9,478,002,252.21
  4. Step 4: Simplify right side
    11,881,163,216.89x = 155,246,093,341,859,872,768
  5. Step 5: Solve for x
    x = 155,246,093,341,859,872,768/11,881,163,216.89
  6. Step 6: Final answer
    x = 13,066,573,575.99

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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.