Home / 747,339,700.20-1,121,009,550.30-553,629,455.70

Finding the Fourth Proportional to 747,339,700.20, 1,121,009,550.30 and 553,629,455.70

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Solution

The fourth proportional to 747,339,700.20, 1,121,009,550.30 and 553,629,455.70 is: 830,444,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,339,700.20 : 1,121,009,550.30 = 553,629,455.70 : x
  2. Step 2: Convert to fraction form
    747,339,700.20/1,121,009,550.30 = 553,629,455.70/x
  3. Step 3: Cross multiply
    747,339,700.20x = 1,121,009,550.30 × 553,629,455.70
  4. Step 4: Simplify right side
    747,339,700.20x = 620,623,907,167,090,816
  5. Step 5: Solve for x
    x = 620,623,907,167,090,816/747,339,700.20
  6. Step 6: Final answer
    x = 830,444,183.55

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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.