Home / 1,322,390,753.54-1,983,873,082.92-402,243,177.32

Finding the Fourth Proportional to 1,322,390,753.54, 1,983,873,082.92 and 402,243,177.32

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Solution

The fourth proportional to 1,322,390,753.54, 1,983,873,082.92 and 402,243,177.32 is: 603,452,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,390,753.54 : 1,983,873,082.92 = 402,243,177.32 : x
  2. Step 2: Convert to fraction form
    1,322,390,753.54/1,983,873,082.92 = 402,243,177.32/x
  3. Step 3: Cross multiply
    1,322,390,753.54x = 1,983,873,082.92 × 402,243,177.32
  4. Step 4: Simplify right side
    1,322,390,753.54x = 797,999,412,273,364,608
  5. Step 5: Solve for x
    x = 797,999,412,273,364,608/1,322,390,753.54
  6. Step 6: Final answer
    x = 603,452,050.87

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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.