Home / 705,024,087.40-1,057,536,131.10-487,345,853.80

Finding the Fourth Proportional to 705,024,087.40, 1,057,536,131.10 and 487,345,853.80

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Solution

The fourth proportional to 705,024,087.40, 1,057,536,131.10 and 487,345,853.80 is: 731,018,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024,087.40 : 1,057,536,131.10 = 487,345,853.80 : x
  2. Step 2: Convert to fraction form
    705,024,087.40/1,057,536,131.10 = 487,345,853.80/x
  3. Step 3: Cross multiply
    705,024,087.40x = 1,057,536,131.10 × 487,345,853.80
  4. Step 4: Simplify right side
    705,024,087.40x = 515,385,848,735,278,272
  5. Step 5: Solve for x
    x = 515,385,848,735,278,272/705,024,087.40
  6. Step 6: Final answer
    x = 731,018,780.70

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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.