Home / 3,130,989,933.49-4,320,768,888.11-1,721,317,880.41

Finding the Fourth Proportional to 3,130,989,933.49, 4,320,768,888.11 and 1,721,317,880.41

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Solution

The fourth proportional to 3,130,989,933.49, 4,320,768,888.11 and 1,721,317,880.41 is: 2,375,420,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,989,933.49 : 4,320,768,888.11 = 1,721,317,880.41 : x
  2. Step 2: Convert to fraction form
    3,130,989,933.49/4,320,768,888.11 = 1,721,317,880.41/x
  3. Step 3: Cross multiply
    3,130,989,933.49x = 4,320,768,888.11 × 1,721,317,880.41
  4. Step 4: Simplify right side
    3,130,989,933.49x = 7,437,416,744,222,977,024
  5. Step 5: Solve for x
    x = 7,437,416,744,222,977,024/3,130,989,933.49
  6. Step 6: Final answer
    x = 2,375,420,203.26

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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.