Home / 1,556,831,222.62-2,148,425,699.20-878,790,893.01

Finding the Fourth Proportional to 1,556,831,222.62, 2,148,425,699.20 and 878,790,893.01

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Solution

The fourth proportional to 1,556,831,222.62, 2,148,425,699.20 and 878,790,893.01 is: 1,212,730,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,831,222.62 : 2,148,425,699.20 = 878,790,893.01 : x
  2. Step 2: Convert to fraction form
    1,556,831,222.62/2,148,425,699.20 = 878,790,893.01/x
  3. Step 3: Cross multiply
    1,556,831,222.62x = 2,148,425,699.20 × 878,790,893.01
  4. Step 4: Simplify right side
    1,556,831,222.62x = 1,888,016,938,756,002,048
  5. Step 5: Solve for x
    x = 1,888,016,938,756,002,048/1,556,831,222.62
  6. Step 6: Final answer
    x = 1,212,730,648.85

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1.5x scale

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.