Home / 1,036,300,771.28-1,553,494,566.84-518,280,439.76

Finding the Fourth Proportional to 1,036,300,771.28, 1,553,494,566.84 and 518,280,439.76

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Solution

The fourth proportional to 1,036,300,771.28, 1,553,494,566.84 and 518,280,439.76 is: 776,942,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,300,771.28 : 1,553,494,566.84 = 518,280,439.76 : x
  2. Step 2: Convert to fraction form
    1,036,300,771.28/1,553,494,566.84 = 518,280,439.76/x
  3. Step 3: Cross multiply
    1,036,300,771.28x = 1,553,494,566.84 × 518,280,439.76
  4. Step 4: Simplify right side
    1,036,300,771.28x = 805,145,847,266,605,824
  5. Step 5: Solve for x
    x = 805,145,847,266,605,824/1,036,300,771.28
  6. Step 6: Final answer
    x = 776,942,244.55

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Double scale
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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.