Home / 889,085,958.60-1,332,916,806.96-422,513,244.84

Finding the Fourth Proportional to 889,085,958.60, 1,332,916,806.96 and 422,513,244.84

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Solution

The fourth proportional to 889,085,958.60, 1,332,916,806.96 and 422,513,244.84 is: 633,431,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,085,958.60 : 1,332,916,806.96 = 422,513,244.84 : x
  2. Step 2: Convert to fraction form
    889,085,958.60/1,332,916,806.96 = 422,513,244.84/x
  3. Step 3: Cross multiply
    889,085,958.60x = 1,332,916,806.96 × 422,513,244.84
  4. Step 4: Simplify right side
    889,085,958.60x = 563,175,005,210,441,472
  5. Step 5: Solve for x
    x = 563,175,005,210,441,472/889,085,958.60
  6. Step 6: Final answer
    x = 633,431,446.94

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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.