Home / 217,784,719,117.07-300,543,846,744.71-118,796,138,408.43

Finding the Fourth Proportional to 217,784,719,117.07, 300,543,846,744.71 and 118,796,138,408.43

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Solution

The fourth proportional to 217,784,719,117.07, 300,543,846,744.71 and 118,796,138,408.43 is: 163,939,180,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784,719,117.07 : 300,543,846,744.71 = 118,796,138,408.43 : x
  2. Step 2: Convert to fraction form
    217,784,719,117.07/300,543,846,744.71 = 118,796,138,408.43/x
  3. Step 3: Cross multiply
    217,784,719,117.07x = 300,543,846,744.71 × 118,796,138,408.43
  4. Step 4: Simplify right side
    217,784,719,117.07x = 35,703,448,415,686,545,637,376
  5. Step 5: Solve for x
    x = 35,703,448,415,686,545,637,376/217,784,719,117.07
  6. Step 6: Final answer
    x = 163,939,180,675.46

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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.