Home / 379,604,111.04-523,893,127.86-218,673,646.92

Finding the Fourth Proportional to 379,604,111.04, 523,893,127.86 and 218,673,646.92

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Solution

The fourth proportional to 379,604,111.04, 523,893,127.86 and 218,673,646.92 is: 301,792,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,604,111.04 : 523,893,127.86 = 218,673,646.92 : x
  2. Step 2: Convert to fraction form
    379,604,111.04/523,893,127.86 = 218,673,646.92/x
  3. Step 3: Cross multiply
    379,604,111.04x = 523,893,127.86 × 218,673,646.92
  4. Step 4: Simplify right side
    379,604,111.04x = 114,561,620,865,472,048
  5. Step 5: Solve for x
    x = 114,561,620,865,472,048/379,604,111.04
  6. Step 6: Final answer
    x = 301,792,360.87

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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.