Home / 424,312,507.37-585,519,605.82-238,637,650.79

Finding the Fourth Proportional to 424,312,507.37, 585,519,605.82 and 238,637,650.79

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Solution

The fourth proportional to 424,312,507.37, 585,519,605.82 and 238,637,650.79 is: 329,302,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,312,507.37 : 585,519,605.82 = 238,637,650.79 : x
  2. Step 2: Convert to fraction form
    424,312,507.37/585,519,605.82 = 238,637,650.79/x
  3. Step 3: Cross multiply
    424,312,507.37x = 585,519,605.82 × 238,637,650.79
  4. Step 4: Simplify right side
    424,312,507.37x = 139,727,023,224,371,616
  5. Step 5: Solve for x
    x = 139,727,023,224,371,616/424,312,507.37
  6. Step 6: Final answer
    x = 329,302,155.36

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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.