Home / 676,796,979.36-1,015,187,247-185,509,835.40

Finding the Fourth Proportional to 676,796,979.36, 1,015,187,247 and 185,509,835.40

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Solution

The fourth proportional to 676,796,979.36, 1,015,187,247 and 185,509,835.40 is: 278,262,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,796,979.36 : 1,015,187,247 = 185,509,835.40 : x
  2. Step 2: Convert to fraction form
    676,796,979.36/1,015,187,247 = 185,509,835.40/x
  3. Step 3: Cross multiply
    676,796,979.36x = 1,015,187,247 × 185,509,835.40
  4. Step 4: Simplify right side
    676,796,979.36x = 188,327,219,091,149,152
  5. Step 5: Solve for x
    x = 188,327,219,091,149,152/676,796,979.36
  6. Step 6: Final answer
    x = 278,262,499.44

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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.