Home / 659,377,986.72-909,943,412.24-362,039,487.84

Finding the Fourth Proportional to 659,377,986.72, 909,943,412.24 and 362,039,487.84

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Solution

The fourth proportional to 659,377,986.72, 909,943,412.24 and 362,039,487.84 is: 499,615,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,377,986.72 : 909,943,412.24 = 362,039,487.84 : x
  2. Step 2: Convert to fraction form
    659,377,986.72/909,943,412.24 = 362,039,487.84/x
  3. Step 3: Cross multiply
    659,377,986.72x = 909,943,412.24 × 362,039,487.84
  4. Step 4: Simplify right side
    659,377,986.72x = 329,435,446,930,751,552
  5. Step 5: Solve for x
    x = 329,435,446,930,751,552/659,377,986.72
  6. Step 6: Final answer
    x = 499,615,476.35

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Double scale
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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.