Home / 739,882,940.34-1,109,492,702.72-440,892,877.43

Finding the Fourth Proportional to 739,882,940.34, 1,109,492,702.72 and 440,892,877.43

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Solution

The fourth proportional to 739,882,940.34, 1,109,492,702.72 and 440,892,877.43 is: 661,141,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,882,940.34 : 1,109,492,702.72 = 440,892,877.43 : x
  2. Step 2: Convert to fraction form
    739,882,940.34/1,109,492,702.72 = 440,892,877.43/x
  3. Step 3: Cross multiply
    739,882,940.34x = 1,109,492,702.72 × 440,892,877.43
  4. Step 4: Simplify right side
    739,882,940.34x = 489,167,430,182,056,448
  5. Step 5: Solve for x
    x = 489,167,430,182,056,448/739,882,940.34
  6. Step 6: Final answer
    x = 661,141,652.97

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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.