Home / 1,679,685,375.40-2,519,528,063.10-515,333,573.80

Finding the Fourth Proportional to 1,679,685,375.40, 2,519,528,063.10 and 515,333,573.80

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Solution

The fourth proportional to 1,679,685,375.40, 2,519,528,063.10 and 515,333,573.80 is: 773,000,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,685,375.40 : 2,519,528,063.10 = 515,333,573.80 : x
  2. Step 2: Convert to fraction form
    1,679,685,375.40/2,519,528,063.10 = 515,333,573.80/x
  3. Step 3: Cross multiply
    1,679,685,375.40x = 2,519,528,063.10 × 515,333,573.80
  4. Step 4: Simplify right side
    1,679,685,375.40x = 1,298,397,401,046,714,880
  5. Step 5: Solve for x
    x = 1,298,397,401,046,714,880/1,679,685,375.40
  6. Step 6: Final answer
    x = 773,000,360.70

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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.