Home / 767,108,402.20-1,149,339,905.70-357,324,088.60

Finding the Fourth Proportional to 767,108,402.20, 1,149,339,905.70 and 357,324,088.60

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Solution

The fourth proportional to 767,108,402.20, 1,149,339,905.70 and 357,324,088.60 is: 535,370,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,108,402.20 : 1,149,339,905.70 = 357,324,088.60 : x
  2. Step 2: Convert to fraction form
    767,108,402.20/1,149,339,905.70 = 357,324,088.60/x
  3. Step 3: Cross multiply
    767,108,402.20x = 1,149,339,905.70 × 357,324,088.60
  4. Step 4: Simplify right side
    767,108,402.20x = 410,686,834,295,862,464
  5. Step 5: Solve for x
    x = 410,686,834,295,862,464/767,108,402.20
  6. Step 6: Final answer
    x = 535,370,011.75

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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.