Home / 489,572,272.80-734,358,409.20-460,850,839.20

Finding the Fourth Proportional to 489,572,272.80, 734,358,409.20 and 460,850,839.20

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Solution

The fourth proportional to 489,572,272.80, 734,358,409.20 and 460,850,839.20 is: 691,276,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,572,272.80 : 734,358,409.20 = 460,850,839.20 : x
  2. Step 2: Convert to fraction form
    489,572,272.80/734,358,409.20 = 460,850,839.20/x
  3. Step 3: Cross multiply
    489,572,272.80x = 734,358,409.20 × 460,850,839.20
  4. Step 4: Simplify right side
    489,572,272.80x = 338,429,689,153,396,992
  5. Step 5: Solve for x
    x = 338,429,689,153,396,992/489,572,272.80
  6. Step 6: Final answer
    x = 691,276,258.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.