Home / 1,257,245,618.85-1,734,453,788.83-748,322,968.07

Finding the Fourth Proportional to 1,257,245,618.85, 1,734,453,788.83 and 748,322,968.07

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Solution

The fourth proportional to 1,257,245,618.85, 1,734,453,788.83 and 748,322,968.07 is: 1,032,361,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,245,618.85 : 1,734,453,788.83 = 748,322,968.07 : x
  2. Step 2: Convert to fraction form
    1,257,245,618.85/1,734,453,788.83 = 748,322,968.07/x
  3. Step 3: Cross multiply
    1,257,245,618.85x = 1,734,453,788.83 × 748,322,968.07
  4. Step 4: Simplify right side
    1,257,245,618.85x = 1,297,931,607,237,522,688
  5. Step 5: Solve for x
    x = 1,297,931,607,237,522,688/1,257,245,618.85
  6. Step 6: Final answer
    x = 1,032,361,209.12

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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.