Home / 1,611,831,567.30-2,413,716,272.55-1,289,345,295.30

Finding the Fourth Proportional to 1,611,831,567.30, 2,413,716,272.55 and 1,289,345,295.30

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Solution

The fourth proportional to 1,611,831,567.30, 2,413,716,272.55 and 1,289,345,295.30 is: 1,930,793,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,831,567.30 : 2,413,716,272.55 = 1,289,345,295.30 : x
  2. Step 2: Convert to fraction form
    1,611,831,567.30/2,413,716,272.55 = 1,289,345,295.30/x
  3. Step 3: Cross multiply
    1,611,831,567.30x = 2,413,716,272.55 × 1,289,345,295.30
  4. Step 4: Simplify right side
    1,611,831,567.30x = 3,112,113,720,201,395,200
  5. Step 5: Solve for x
    x = 3,112,113,720,201,395,200/1,611,831,567.30
  6. Step 6: Final answer
    x = 1,930,793,380.24

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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.