Home / 550,639,810.35-825,959,715.53-414,590,914.35

Finding the Fourth Proportional to 550,639,810.35, 825,959,715.53 and 414,590,914.35

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Solution

The fourth proportional to 550,639,810.35, 825,959,715.53 and 414,590,914.35 is: 621,886,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,639,810.35 : 825,959,715.53 = 414,590,914.35 : x
  2. Step 2: Convert to fraction form
    550,639,810.35/825,959,715.53 = 414,590,914.35/x
  3. Step 3: Cross multiply
    550,639,810.35x = 825,959,715.53 × 414,590,914.35
  4. Step 4: Simplify right side
    550,639,810.35x = 342,435,393,675,775,680
  5. Step 5: Solve for x
    x = 342,435,393,675,775,680/550,639,810.35
  6. Step 6: Final answer
    x = 621,886,371.53

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1.5x scale

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.