Home / 515,095,108.26-772,647,445.07-146,630,047.62

Finding the Fourth Proportional to 515,095,108.26, 772,647,445.07 and 146,630,047.62

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Solution

The fourth proportional to 515,095,108.26, 772,647,445.07 and 146,630,047.62 is: 219,946,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,095,108.26 : 772,647,445.07 = 146,630,047.62 : x
  2. Step 2: Convert to fraction form
    515,095,108.26/772,647,445.07 = 146,630,047.62/x
  3. Step 3: Cross multiply
    515,095,108.26x = 772,647,445.07 × 146,630,047.62
  4. Step 4: Simplify right side
    515,095,108.26x = 113,293,331,663,352,304
  5. Step 5: Solve for x
    x = 113,293,331,663,352,304/515,095,108.26
  6. Step 6: Final answer
    x = 219,946,432.89

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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.