Home / 489,120,696.48-674,989,496.16-266,103,977.67

Finding the Fourth Proportional to 489,120,696.48, 674,989,496.16 and 266,103,977.67

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Solution

The fourth proportional to 489,120,696.48, 674,989,496.16 and 266,103,977.67 is: 367,225,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,120,696.48 : 674,989,496.16 = 266,103,977.67 : x
  2. Step 2: Convert to fraction form
    489,120,696.48/674,989,496.16 = 266,103,977.67/x
  3. Step 3: Cross multiply
    489,120,696.48x = 674,989,496.16 × 266,103,977.67
  4. Step 4: Simplify right side
    489,120,696.48x = 179,617,389,813,645,184
  5. Step 5: Solve for x
    x = 179,617,389,813,645,184/489,120,696.48
  6. Step 6: Final answer
    x = 367,225,085.97

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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.