Home / 685,657,487,795.30-1,027,806,880,586.30-321,972,120,465.02

Finding the Fourth Proportional to 685,657,487,795.30, 1,027,806,880,586.30 and 321,972,120,465.02

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Solution

The fourth proportional to 685,657,487,795.30, 1,027,806,880,586.30 and 321,972,120,465.02 is: 482,639,169,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,657,487,795.30 : 1,027,806,880,586.30 = 321,972,120,465.02 : x
  2. Step 2: Convert to fraction form
    685,657,487,795.30/1,027,806,880,586.30 = 321,972,120,465.02/x
  3. Step 3: Cross multiply
    685,657,487,795.30x = 1,027,806,880,586.30 × 321,972,120,465.02
  4. Step 4: Simplify right side
    685,657,487,795.30x = 330,925,160,770,908,668,821,504
  5. Step 5: Solve for x
    x = 330,925,160,770,908,668,821,504/685,657,487,795.30
  6. Step 6: Final answer
    x = 482,639,169,937.43

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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.