Home / 513,551,974,255.53-769,657,845,020.58-286,902,271,229.49

Finding the Fourth Proportional to 513,551,974,255.53, 769,657,845,020.58 and 286,902,271,229.49

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Solution

The fourth proportional to 513,551,974,255.53, 769,657,845,020.58 and 286,902,271,229.49 is: 429,979,037,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,551,974,255.53 : 769,657,845,020.58 = 286,902,271,229.49 : x
  2. Step 2: Convert to fraction form
    513,551,974,255.53/769,657,845,020.58 = 286,902,271,229.49/x
  3. Step 3: Cross multiply
    513,551,974,255.53x = 769,657,845,020.58 × 286,902,271,229.49
  4. Step 4: Simplify right side
    513,551,974,255.53x = 220,816,583,805,999,194,832,896
  5. Step 5: Solve for x
    x = 220,816,583,805,999,194,832,896/513,551,974,255.53
  6. Step 6: Final answer
    x = 429,979,037,907.71

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Double scale
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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.