Home / 1,443,647,873.34-1,992,182,509.26-817,102,848

Finding the Fourth Proportional to 1,443,647,873.34, 1,992,182,509.26 and 817,102,848

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Solution

The fourth proportional to 1,443,647,873.34, 1,992,182,509.26 and 817,102,848 is: 1,127,572,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,647,873.34 : 1,992,182,509.26 = 817,102,848 : x
  2. Step 2: Convert to fraction form
    1,443,647,873.34/1,992,182,509.26 = 817,102,848/x
  3. Step 3: Cross multiply
    1,443,647,873.34x = 1,992,182,509.26 × 817,102,848
  4. Step 4: Simplify right side
    1,443,647,873.34x = 1,627,818,002,052,132,352
  5. Step 5: Solve for x
    x = 1,627,818,002,052,132,352/1,443,647,873.34
  6. Step 6: Final answer
    x = 1,127,572,749.64

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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.