Home / 697,008,097.20-1,045,512,145.80-186,404,833.20

Finding the Fourth Proportional to 697,008,097.20, 1,045,512,145.80 and 186,404,833.20

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Solution

The fourth proportional to 697,008,097.20, 1,045,512,145.80 and 186,404,833.20 is: 279,607,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,008,097.20 : 1,045,512,145.80 = 186,404,833.20 : x
  2. Step 2: Convert to fraction form
    697,008,097.20/1,045,512,145.80 = 186,404,833.20/x
  3. Step 3: Cross multiply
    697,008,097.20x = 1,045,512,145.80 × 186,404,833.20
  4. Step 4: Simplify right side
    697,008,097.20x = 194,888,517,146,423,072
  5. Step 5: Solve for x
    x = 194,888,517,146,423,072/697,008,097.20
  6. Step 6: Final answer
    x = 279,607,249.80

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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.