Home / 424,312,506.87-585,519,605.13-238,637,650.29

Finding the Fourth Proportional to 424,312,506.87, 585,519,605.13 and 238,637,650.29

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Solution

The fourth proportional to 424,312,506.87, 585,519,605.13 and 238,637,650.29 is: 329,302,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,312,506.87 : 585,519,605.13 = 238,637,650.29 : x
  2. Step 2: Convert to fraction form
    424,312,506.87/585,519,605.13 = 238,637,650.29/x
  3. Step 3: Cross multiply
    424,312,506.87x = 585,519,605.13 × 238,637,650.29
  4. Step 4: Simplify right side
    424,312,506.87x = 139,727,022,766,951,824
  5. Step 5: Solve for x
    x = 139,727,022,766,951,824/424,312,506.87
  6. Step 6: Final answer
    x = 329,302,154.67

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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.