Home / 928,736,264.96-1,393,104,192-338,570,749.76

Finding the Fourth Proportional to 928,736,264.96, 1,393,104,192 and 338,570,749.76

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Solution

The fourth proportional to 928,736,264.96, 1,393,104,192 and 338,570,749.76 is: 507,856,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,736,264.96 : 1,393,104,192 = 338,570,749.76 : x
  2. Step 2: Convert to fraction form
    928,736,264.96/1,393,104,192 = 338,570,749.76/x
  3. Step 3: Cross multiply
    928,736,264.96x = 1,393,104,192 × 338,570,749.76
  4. Step 4: Simplify right side
    928,736,264.96x = 471,664,330,779,238,976
  5. Step 5: Solve for x
    x = 471,664,330,779,238,976/928,736,264.96
  6. Step 6: Final answer
    x = 507,856,049.75

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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.