Home / 896,305,525.59-1,236,907,016.42-499,853,543.07

Finding the Fourth Proportional to 896,305,525.59, 1,236,907,016.42 and 499,853,543.07

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Solution

The fourth proportional to 896,305,525.59, 1,236,907,016.42 and 499,853,543.07 is: 689,800,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,305,525.59 : 1,236,907,016.42 = 499,853,543.07 : x
  2. Step 2: Convert to fraction form
    896,305,525.59/1,236,907,016.42 = 499,853,543.07/x
  3. Step 3: Cross multiply
    896,305,525.59x = 1,236,907,016.42 × 499,853,543.07
  4. Step 4: Simplify right side
    896,305,525.59x = 618,272,354,603,180,416
  5. Step 5: Solve for x
    x = 618,272,354,603,180,416/896,305,525.59
  6. Step 6: Final answer
    x = 689,800,895.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.