Home / 739,882,939.97-1,109,492,702.16-440,892,877.05

Finding the Fourth Proportional to 739,882,939.97, 1,109,492,702.16 and 440,892,877.05

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Solution

The fourth proportional to 739,882,939.97, 1,109,492,702.16 and 440,892,877.05 is: 661,141,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,882,939.97 : 1,109,492,702.16 = 440,892,877.05 : x
  2. Step 2: Convert to fraction form
    739,882,939.97/1,109,492,702.16 = 440,892,877.05/x
  3. Step 3: Cross multiply
    739,882,939.97x = 1,109,492,702.16 × 440,892,877.05
  4. Step 4: Simplify right side
    739,882,939.97x = 489,167,429,519,625,728
  5. Step 5: Solve for x
    x = 489,167,429,519,625,728/739,882,939.97
  6. Step 6: Final answer
    x = 661,141,652.40

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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.