Home / 539,006,200,993.15-807,225,818,485.95-311,887,007,708.82

Finding the Fourth Proportional to 539,006,200,993.15, 807,225,818,485.95 and 311,887,007,708.82

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Solution

The fourth proportional to 539,006,200,993.15, 807,225,818,485.95 and 311,887,007,708.82 is: 467,087,845,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,006,200,993.15 : 807,225,818,485.95 = 311,887,007,708.82 : x
  2. Step 2: Convert to fraction form
    539,006,200,993.15/807,225,818,485.95 = 311,887,007,708.82/x
  3. Step 3: Cross multiply
    539,006,200,993.15x = 807,225,818,485.95 × 311,887,007,708.82
  4. Step 4: Simplify right side
    539,006,200,993.15x = 251,763,245,072,885,999,468,544
  5. Step 5: Solve for x
    x = 251,763,245,072,885,999,468,544/539,006,200,993.15
  6. Step 6: Final answer
    x = 467,087,845,388.42

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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.