Home / 210,488,252,763.59-315,728,928,855.36-67,065,332,687.42

Finding the Fourth Proportional to 210,488,252,763.59, 315,728,928,855.36 and 67,065,332,687.42

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Solution

The fourth proportional to 210,488,252,763.59, 315,728,928,855.36 and 67,065,332,687.42 is: 100,596,899,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,488,252,763.59 : 315,728,928,855.36 = 67,065,332,687.42 : x
  2. Step 2: Convert to fraction form
    210,488,252,763.59/315,728,928,855.36 = 67,065,332,687.42/x
  3. Step 3: Cross multiply
    210,488,252,763.59x = 315,728,928,855.36 × 67,065,332,687.42
  4. Step 4: Simplify right side
    210,488,252,763.59x = 21,174,465,652,726,846,980,096
  5. Step 5: Solve for x
    x = 21,174,465,652,726,846,980,096/210,488,252,763.59
  6. Step 6: Final answer
    x = 100,596,899,706.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.