Home / 2,085,830,372.80-3,129,123,472.80-1,048,079,627.20

Finding the Fourth Proportional to 2,085,830,372.80, 3,129,123,472.80 and 1,048,079,627.20

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Solution

The fourth proportional to 2,085,830,372.80, 3,129,123,472.80 and 1,048,079,627.20 is: 1,572,309,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,830,372.80 : 3,129,123,472.80 = 1,048,079,627.20 : x
  2. Step 2: Convert to fraction form
    2,085,830,372.80/3,129,123,472.80 = 1,048,079,627.20/x
  3. Step 3: Cross multiply
    2,085,830,372.80x = 3,129,123,472.80 × 1,048,079,627.20
  4. Step 4: Simplify right side
    2,085,830,372.80x = 3,279,570,562,834,993,664
  5. Step 5: Solve for x
    x = 3,279,570,562,834,993,664/2,085,830,372.80
  6. Step 6: Final answer
    x = 1,572,309,333.30

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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.