Home / 489,779,966.92-675,896,362.28-269,763,392.92

Finding the Fourth Proportional to 489,779,966.92, 675,896,362.28 and 269,763,392.92

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Solution

The fourth proportional to 489,779,966.92, 675,896,362.28 and 269,763,392.92 is: 372,273,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,779,966.92 : 675,896,362.28 = 269,763,392.92 : x
  2. Step 2: Convert to fraction form
    489,779,966.92/675,896,362.28 = 269,763,392.92/x
  3. Step 3: Cross multiply
    489,779,966.92x = 675,896,362.28 × 269,763,392.92
  4. Step 4: Simplify right side
    489,779,966.92x = 182,332,095,950,938,304
  5. Step 5: Solve for x
    x = 182,332,095,950,938,304/489,779,966.92
  6. Step 6: Final answer
    x = 372,273,486.60

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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.