Home / 1,685,383,902.90-2,527,448,768.55-579,678,401.70

Finding the Fourth Proportional to 1,685,383,902.90, 2,527,448,768.55 and 579,678,401.70

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Solution

The fourth proportional to 1,685,383,902.90, 2,527,448,768.55 and 579,678,401.70 is: 869,301,919.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,383,902.90 : 2,527,448,768.55 = 579,678,401.70 : x
  2. Step 2: Convert to fraction form
    1,685,383,902.90/2,527,448,768.55 = 579,678,401.70/x
  3. Step 3: Cross multiply
    1,685,383,902.90x = 2,527,448,768.55 × 579,678,401.70
  4. Step 4: Simplify right side
    1,685,383,902.90x = 1,465,107,462,531,697,408
  5. Step 5: Solve for x
    x = 1,465,107,462,531,697,408/1,685,383,902.90
  6. Step 6: Final answer
    x = 869,301,919.88

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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.