Home / 743,220,012.06-1,025,708,977.26-408,751,466.76

Finding the Fourth Proportional to 743,220,012.06, 1,025,708,977.26 and 408,751,466.76

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Solution

The fourth proportional to 743,220,012.06, 1,025,708,977.26 and 408,751,466.76 is: 564,112,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,220,012.06 : 1,025,708,977.26 = 408,751,466.76 : x
  2. Step 2: Convert to fraction form
    743,220,012.06/1,025,708,977.26 = 408,751,466.76/x
  3. Step 3: Cross multiply
    743,220,012.06x = 1,025,708,977.26 × 408,751,466.76
  4. Step 4: Simplify right side
    743,220,012.06x = 419,260,048,923,924,480
  5. Step 5: Solve for x
    x = 419,260,048,923,924,480/743,220,012.06
  6. Step 6: Final answer
    x = 564,112,970.75

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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.