Home / 767,015,065.32-1,150,515,658.68-242,384,253.45

Finding the Fourth Proportional to 767,015,065.32, 1,150,515,658.68 and 242,384,253.45

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Solution

The fourth proportional to 767,015,065.32, 1,150,515,658.68 and 242,384,253.45 is: 363,574,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,015,065.32 : 1,150,515,658.68 = 242,384,253.45 : x
  2. Step 2: Convert to fraction form
    767,015,065.32/1,150,515,658.68 = 242,384,253.45/x
  3. Step 3: Cross multiply
    767,015,065.32x = 1,150,515,658.68 × 242,384,253.45
  4. Step 4: Simplify right side
    767,015,065.32x = 278,866,879,011,686,816
  5. Step 5: Solve for x
    x = 278,866,879,011,686,816/767,015,065.32
  6. Step 6: Final answer
    x = 363,574,187.29

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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.