Home / 764,782,408.60-1,147,173,612.90-247,584,027.40

Finding the Fourth Proportional to 764,782,408.60, 1,147,173,612.90 and 247,584,027.40

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Solution

The fourth proportional to 764,782,408.60, 1,147,173,612.90 and 247,584,027.40 is: 371,376,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,782,408.60 : 1,147,173,612.90 = 247,584,027.40 : x
  2. Step 2: Convert to fraction form
    764,782,408.60/1,147,173,612.90 = 247,584,027.40/x
  3. Step 3: Cross multiply
    764,782,408.60x = 1,147,173,612.90 × 247,584,027.40
  4. Step 4: Simplify right side
    764,782,408.60x = 284,021,863,208,790,624
  5. Step 5: Solve for x
    x = 284,021,863,208,790,624/764,782,408.60
  6. Step 6: Final answer
    x = 371,376,041.10

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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.