Home / 705,024,010.40-1,057,536,015.60-543,780,874.40

Finding the Fourth Proportional to 705,024,010.40, 1,057,536,015.60 and 543,780,874.40

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Solution

The fourth proportional to 705,024,010.40, 1,057,536,015.60 and 543,780,874.40 is: 815,671,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024,010.40 : 1,057,536,015.60 = 543,780,874.40 : x
  2. Step 2: Convert to fraction form
    705,024,010.40/1,057,536,015.60 = 543,780,874.40/x
  3. Step 3: Cross multiply
    705,024,010.40x = 1,057,536,015.60 × 543,780,874.40
  4. Step 4: Simplify right side
    705,024,010.40x = 575,067,859,272,460,032
  5. Step 5: Solve for x
    x = 575,067,859,272,460,032/705,024,010.40
  6. Step 6: Final answer
    x = 815,671,311.60

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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.