Home / 462,512,015.60-693,768,023.40-189,792,143.60

Finding the Fourth Proportional to 462,512,015.60, 693,768,023.40 and 189,792,143.60

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Solution

The fourth proportional to 462,512,015.60, 693,768,023.40 and 189,792,143.60 is: 284,688,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,512,015.60 : 693,768,023.40 = 189,792,143.60 : x
  2. Step 2: Convert to fraction form
    462,512,015.60/693,768,023.40 = 189,792,143.60/x
  3. Step 3: Cross multiply
    462,512,015.60x = 693,768,023.40 × 189,792,143.60
  4. Step 4: Simplify right side
    462,512,015.60x = 131,671,720,322,220,944
  5. Step 5: Solve for x
    x = 131,671,720,322,220,944/462,512,015.60
  6. Step 6: Final answer
    x = 284,688,215.40

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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.