Home / 1,139,722,036.80-1,709,877,804.96-667,419,951.36

Finding the Fourth Proportional to 1,139,722,036.80, 1,709,877,804.96 and 667,419,951.36

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Solution

The fourth proportional to 1,139,722,036.80, 1,709,877,804.96 and 667,419,951.36 is: 1,001,302,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,722,036.80 : 1,709,877,804.96 = 667,419,951.36 : x
  2. Step 2: Convert to fraction form
    1,139,722,036.80/1,709,877,804.96 = 667,419,951.36/x
  3. Step 3: Cross multiply
    1,139,722,036.80x = 1,709,877,804.96 × 667,419,951.36
  4. Step 4: Simplify right side
    1,139,722,036.80x = 1,141,206,561,417,946,880
  5. Step 5: Solve for x
    x = 1,141,206,561,417,946,880/1,139,722,036.80
  6. Step 6: Final answer
    x = 1,001,302,532.17

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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.