Home / 1,427,140,325.52-1,970,298,017.94-898,957,059.12

Finding the Fourth Proportional to 1,427,140,325.52, 1,970,298,017.94 and 898,957,059.12

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Solution

The fourth proportional to 1,427,140,325.52, 1,970,298,017.94 and 898,957,059.12 is: 1,241,092,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,140,325.52 : 1,970,298,017.94 = 898,957,059.12 : x
  2. Step 2: Convert to fraction form
    1,427,140,325.52/1,970,298,017.94 = 898,957,059.12/x
  3. Step 3: Cross multiply
    1,427,140,325.52x = 1,970,298,017.94 × 898,957,059.12
  4. Step 4: Simplify right side
    1,427,140,325.52x = 1,771,213,311,797,307,392
  5. Step 5: Solve for x
    x = 1,771,213,311,797,307,392/1,427,140,325.52
  6. Step 6: Final answer
    x = 1,241,092,610.25

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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.