Home / 769,572,531.72-1,154,342,624.72-187,310,025.72

Finding the Fourth Proportional to 769,572,531.72, 1,154,342,624.72 and 187,310,025.72

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Solution

The fourth proportional to 769,572,531.72, 1,154,342,624.72 and 187,310,025.72 is: 280,961,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,572,531.72 : 1,154,342,624.72 = 187,310,025.72 : x
  2. Step 2: Convert to fraction form
    769,572,531.72/1,154,342,624.72 = 187,310,025.72/x
  3. Step 3: Cross multiply
    769,572,531.72x = 1,154,342,624.72 × 187,310,025.72
  4. Step 4: Simplify right side
    769,572,531.72x = 216,219,946,725,058,944
  5. Step 5: Solve for x
    x = 216,219,946,725,058,944/769,572,531.72
  6. Step 6: Final answer
    x = 280,961,102.19

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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.