Home / 486,536,384-670,882,183.68-310,044,800

Finding the Fourth Proportional to 486,536,384, 670,882,183.68 and 310,044,800

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Solution

The fourth proportional to 486,536,384, 670,882,183.68 and 310,044,800 is: 427,518,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,536,384 : 670,882,183.68 = 310,044,800 : x
  2. Step 2: Convert to fraction form
    486,536,384/670,882,183.68 = 310,044,800/x
  3. Step 3: Cross multiply
    486,536,384x = 670,882,183.68 × 310,044,800
  4. Step 4: Simplify right side
    486,536,384x = 208,003,532,462,628,832
  5. Step 5: Solve for x
    x = 208,003,532,462,628,832/486,536,384
  6. Step 6: Final answer
    x = 427,518,967.34

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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.