Home / 409,647,984,570.78-565,301,946,118.68-226,752,583,021.62

Finding the Fourth Proportional to 409,647,984,570.78, 565,301,946,118.68 and 226,752,583,021.62

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Solution

The fourth proportional to 409,647,984,570.78, 565,301,946,118.68 and 226,752,583,021.62 is: 312,911,771,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,647,984,570.78 : 565,301,946,118.68 = 226,752,583,021.62 : x
  2. Step 2: Convert to fraction form
    409,647,984,570.78/565,301,946,118.68 = 226,752,583,021.62/x
  3. Step 3: Cross multiply
    409,647,984,570.78x = 565,301,946,118.68 × 226,752,583,021.62
  4. Step 4: Simplify right side
    409,647,984,570.78x = 128,183,676,469,559,351,574,528
  5. Step 5: Solve for x
    x = 128,183,676,469,559,351,574,528/409,647,984,570.78
  6. Step 6: Final answer
    x = 312,911,771,319.63

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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.