Home / 513,551,974,255.54-769,657,845,020.58-286,902,271,229.50

Finding the Fourth Proportional to 513,551,974,255.54, 769,657,845,020.58 and 286,902,271,229.50

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Solution

The fourth proportional to 513,551,974,255.54, 769,657,845,020.58 and 286,902,271,229.50 is: 429,979,037,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,551,974,255.54 : 769,657,845,020.58 = 286,902,271,229.50 : x
  2. Step 2: Convert to fraction form
    513,551,974,255.54/769,657,845,020.58 = 286,902,271,229.50/x
  3. Step 3: Cross multiply
    513,551,974,255.54x = 769,657,845,020.58 × 286,902,271,229.50
  4. Step 4: Simplify right side
    513,551,974,255.54x = 220,816,583,806,006,912,352,256
  5. Step 5: Solve for x
    x = 220,816,583,806,006,912,352,256/513,551,974,255.54
  6. Step 6: Final answer
    x = 429,979,037,907.72

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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.