Home / 612,974,410.80-919,461,616.20-582,741,322.80

Finding the Fourth Proportional to 612,974,410.80, 919,461,616.20 and 582,741,322.80

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Solution

The fourth proportional to 612,974,410.80, 919,461,616.20 and 582,741,322.80 is: 874,111,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,974,410.80 : 919,461,616.20 = 582,741,322.80 : x
  2. Step 2: Convert to fraction form
    612,974,410.80/919,461,616.20 = 582,741,322.80/x
  3. Step 3: Cross multiply
    612,974,410.80x = 919,461,616.20 × 582,741,322.80
  4. Step 4: Simplify right side
    612,974,410.80x = 535,808,278,488,213,888
  5. Step 5: Solve for x
    x = 535,808,278,488,213,888/612,974,410.80
  6. Step 6: Final answer
    x = 874,111,984.20

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Double scale
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Similar ratio
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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.