Home / 659,320,584-988,956,468-266,017,502.40

Finding the Fourth Proportional to 659,320,584, 988,956,468 and 266,017,502.40

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Solution

The fourth proportional to 659,320,584, 988,956,468 and 266,017,502.40 is: 399,016,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,320,584 : 988,956,468 = 266,017,502.40 : x
  2. Step 2: Convert to fraction form
    659,320,584/988,956,468 = 266,017,502.40/x
  3. Step 3: Cross multiply
    659,320,584x = 988,956,468 × 266,017,502.40
  4. Step 4: Simplify right side
    659,320,584x = 263,079,729,599,685,536
  5. Step 5: Solve for x
    x = 263,079,729,599,685,536/659,320,584
  6. Step 6: Final answer
    x = 399,016,405.65

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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.