Home / 826,809,717.20-1,240,214,575.80-534,092,014.40

Finding the Fourth Proportional to 826,809,717.20, 1,240,214,575.80 and 534,092,014.40

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Solution

The fourth proportional to 826,809,717.20, 1,240,214,575.80 and 534,092,014.40 is: 801,138,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,809,717.20 : 1,240,214,575.80 = 534,092,014.40 : x
  2. Step 2: Convert to fraction form
    826,809,717.20/1,240,214,575.80 = 534,092,014.40/x
  3. Step 3: Cross multiply
    826,809,717.20x = 1,240,214,575.80 × 534,092,014.40
  4. Step 4: Simplify right side
    826,809,717.20x = 662,388,701,077,263,488
  5. Step 5: Solve for x
    x = 662,388,701,077,263,488/826,809,717.20
  6. Step 6: Final answer
    x = 801,138,021.60

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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.