Home / 1,192,258,892.56-1,645,317,350.84-663,611,533.60

Finding the Fourth Proportional to 1,192,258,892.56, 1,645,317,350.84 and 663,611,533.60

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Solution

The fourth proportional to 1,192,258,892.56, 1,645,317,350.84 and 663,611,533.60 is: 915,783,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,258,892.56 : 1,645,317,350.84 = 663,611,533.60 : x
  2. Step 2: Convert to fraction form
    1,192,258,892.56/1,645,317,350.84 = 663,611,533.60/x
  3. Step 3: Cross multiply
    1,192,258,892.56x = 1,645,317,350.84 × 663,611,533.60
  4. Step 4: Simplify right side
    1,192,258,892.56x = 1,091,851,570,449,621,632
  5. Step 5: Solve for x
    x = 1,091,851,570,449,621,632/1,192,258,892.56
  6. Step 6: Final answer
    x = 915,783,960.40

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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.