Home / 699,517,824.40-1,049,276,736.60-679,362,432.40

Finding the Fourth Proportional to 699,517,824.40, 1,049,276,736.60 and 679,362,432.40

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Solution

The fourth proportional to 699,517,824.40, 1,049,276,736.60 and 679,362,432.40 is: 1,019,043,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,517,824.40 : 1,049,276,736.60 = 679,362,432.40 : x
  2. Step 2: Convert to fraction form
    699,517,824.40/1,049,276,736.60 = 679,362,432.40/x
  3. Step 3: Cross multiply
    699,517,824.40x = 1,049,276,736.60 × 679,362,432.40
  4. Step 4: Simplify right side
    699,517,824.40x = 712,839,196,037,310,080
  5. Step 5: Solve for x
    x = 712,839,196,037,310,080/699,517,824.40
  6. Step 6: Final answer
    x = 1,019,043,648.60

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1.5x scale

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.