Home / 659,380,206.72-909,899,167.68-366,001,680

Finding the Fourth Proportional to 659,380,206.72, 909,899,167.68 and 366,001,680

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Solution

The fourth proportional to 659,380,206.72, 909,899,167.68 and 366,001,680 is: 505,057,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,380,206.72 : 909,899,167.68 = 366,001,680 : x
  2. Step 2: Convert to fraction form
    659,380,206.72/909,899,167.68 = 366,001,680/x
  3. Step 3: Cross multiply
    659,380,206.72x = 909,899,167.68 × 366,001,680
  4. Step 4: Simplify right side
    659,380,206.72x = 333,024,624,001,481,664
  5. Step 5: Solve for x
    x = 333,024,624,001,481,664/659,380,206.72
  6. Step 6: Final answer
    x = 505,057,052.98

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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.