Home / 767,284,541.65-1,150,919,139.76-242,653,733.15

Finding the Fourth Proportional to 767,284,541.65, 1,150,919,139.76 and 242,653,733.15

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Solution

The fourth proportional to 767,284,541.65, 1,150,919,139.76 and 242,653,733.15 is: 363,978,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,284,541.65 : 1,150,919,139.76 = 242,653,733.15 : x
  2. Step 2: Convert to fraction form
    767,284,541.65/1,150,919,139.76 = 242,653,733.15/x
  3. Step 3: Cross multiply
    767,284,541.65x = 1,150,919,139.76 × 242,653,733.15
  4. Step 4: Simplify right side
    767,284,541.65x = 279,274,825,820,571,040
  5. Step 5: Solve for x
    x = 279,274,825,820,571,040/767,284,541.65
  6. Step 6: Final answer
    x = 363,978,173.23

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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.