Home / 786,750,952.23-1,179,544,638.71-475,789,436.12

Finding the Fourth Proportional to 786,750,952.23, 1,179,544,638.71 and 475,789,436.12

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Solution

The fourth proportional to 786,750,952.23, 1,179,544,638.71 and 475,789,436.12 is: 713,332,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,750,952.23 : 1,179,544,638.71 = 475,789,436.12 : x
  2. Step 2: Convert to fraction form
    786,750,952.23/1,179,544,638.71 = 475,789,436.12/x
  3. Step 3: Cross multiply
    786,750,952.23x = 1,179,544,638.71 × 475,789,436.12
  4. Step 4: Simplify right side
    786,750,952.23x = 561,214,878,530,769,920
  5. Step 5: Solve for x
    x = 561,214,878,530,769,920/786,750,952.23
  6. Step 6: Final answer
    x = 713,332,315.57

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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.