Home / 489,120,650.53-674,989,433.07-266,103,931.97

Finding the Fourth Proportional to 489,120,650.53, 674,989,433.07 and 266,103,931.97

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Solution

The fourth proportional to 489,120,650.53, 674,989,433.07 and 266,103,931.97 is: 367,225,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,120,650.53 : 674,989,433.07 = 266,103,931.97 : x
  2. Step 2: Convert to fraction form
    489,120,650.53/674,989,433.07 = 266,103,931.97/x
  3. Step 3: Cross multiply
    489,120,650.53x = 674,989,433.07 × 266,103,931.97
  4. Step 4: Simplify right side
    489,120,650.53x = 179,617,342,178,128,160
  5. Step 5: Solve for x
    x = 179,617,342,178,128,160/489,120,650.53
  6. Step 6: Final answer
    x = 367,225,023.08

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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.