Home / 784,559,896.32-1,082,692,605.60-454,726,354.08

Finding the Fourth Proportional to 784,559,896.32, 1,082,692,605.60 and 454,726,354.08

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Solution

The fourth proportional to 784,559,896.32, 1,082,692,605.60 and 454,726,354.08 is: 627,522,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,559,896.32 : 1,082,692,605.60 = 454,726,354.08 : x
  2. Step 2: Convert to fraction form
    784,559,896.32/1,082,692,605.60 = 454,726,354.08/x
  3. Step 3: Cross multiply
    784,559,896.32x = 1,082,692,605.60 × 454,726,354.08
  4. Step 4: Simplify right side
    784,559,896.32x = 492,328,861,133,863,360
  5. Step 5: Solve for x
    x = 492,328,861,133,863,360/784,559,896.32
  6. Step 6: Final answer
    x = 627,522,338.88

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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.