Home / 1,191,225,940.35-1,786,182,828.75-491,559,036.84

Finding the Fourth Proportional to 1,191,225,940.35, 1,786,182,828.75 and 491,559,036.84

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Solution

The fourth proportional to 1,191,225,940.35, 1,786,182,828.75 and 491,559,036.84 is: 737,067,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,225,940.35 : 1,786,182,828.75 = 491,559,036.84 : x
  2. Step 2: Convert to fraction form
    1,191,225,940.35/1,786,182,828.75 = 491,559,036.84/x
  3. Step 3: Cross multiply
    1,191,225,940.35x = 1,786,182,828.75 × 491,559,036.84
  4. Step 4: Simplify right side
    1,191,225,940.35x = 878,014,310,920,496,640
  5. Step 5: Solve for x
    x = 878,014,310,920,496,640/1,191,225,940.35
  6. Step 6: Final answer
    x = 737,067,823.31

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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.