Home / 1,447,410,243.55-2,172,033,629.75-618,370,123

Finding the Fourth Proportional to 1,447,410,243.55, 2,172,033,629.75 and 618,370,123

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Solution

The fourth proportional to 1,447,410,243.55, 2,172,033,629.75 and 618,370,123 is: 927,947,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,410,243.55 : 2,172,033,629.75 = 618,370,123 : x
  2. Step 2: Convert to fraction form
    1,447,410,243.55/2,172,033,629.75 = 618,370,123/x
  3. Step 3: Cross multiply
    1,447,410,243.55x = 2,172,033,629.75 × 618,370,123
  4. Step 4: Simplify right side
    1,447,410,243.55x = 1,343,120,702,788,643,840
  5. Step 5: Solve for x
    x = 1,343,120,702,788,643,840/1,447,410,243.55
  6. Step 6: Final answer
    x = 927,947,490.20

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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.