Home / 522,747,338.40-784,121,007.60-514,685,181.60

Finding the Fourth Proportional to 522,747,338.40, 784,121,007.60 and 514,685,181.60

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Solution

The fourth proportional to 522,747,338.40, 784,121,007.60 and 514,685,181.60 is: 772,027,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,747,338.40 : 784,121,007.60 = 514,685,181.60 : x
  2. Step 2: Convert to fraction form
    522,747,338.40/784,121,007.60 = 514,685,181.60/x
  3. Step 3: Cross multiply
    522,747,338.40x = 784,121,007.60 × 514,685,181.60
  4. Step 4: Simplify right side
    522,747,338.40x = 403,575,463,192,980,992
  5. Step 5: Solve for x
    x = 403,575,463,192,980,992/522,747,338.40
  6. Step 6: Final answer
    x = 772,027,772.40

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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.