Home / 922,160,664.12-1,272,591,760.68-504,463,981.35

Finding the Fourth Proportional to 922,160,664.12, 1,272,591,760.68 and 504,463,981.35

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Solution

The fourth proportional to 922,160,664.12, 1,272,591,760.68 and 504,463,981.35 is: 696,165,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,160,664.12 : 1,272,591,760.68 = 504,463,981.35 : x
  2. Step 2: Convert to fraction form
    922,160,664.12/1,272,591,760.68 = 504,463,981.35/x
  3. Step 3: Cross multiply
    922,160,664.12x = 1,272,591,760.68 × 504,463,981.35
  4. Step 4: Simplify right side
    922,160,664.12x = 641,976,706,225,839,232
  5. Step 5: Solve for x
    x = 641,976,706,225,839,232/922,160,664.12
  6. Step 6: Final answer
    x = 696,165,788.90

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Double scale
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1.5x scale

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.