Home / 769,064,617.78-1,153,596,940.34-186,794,939.36

Finding the Fourth Proportional to 769,064,617.78, 1,153,596,940.34 and 186,794,939.36

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Solution

The fourth proportional to 769,064,617.78, 1,153,596,940.34 and 186,794,939.36 is: 280,192,412.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,064,617.78 : 1,153,596,940.34 = 186,794,939.36 : x
  2. Step 2: Convert to fraction form
    769,064,617.78/1,153,596,940.34 = 186,794,939.36/x
  3. Step 3: Cross multiply
    769,064,617.78x = 1,153,596,940.34 × 186,794,939.36
  4. Step 4: Simplify right side
    769,064,617.78x = 215,486,070,518,641,888
  5. Step 5: Solve for x
    x = 215,486,070,518,641,888/769,064,617.78
  6. Step 6: Final answer
    x = 280,192,412.36

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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.