Home / 1,685,448,004.20-2,528,172,006.30-1,379,086,045.80

Finding the Fourth Proportional to 1,685,448,004.20, 2,528,172,006.30 and 1,379,086,045.80

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Solution

The fourth proportional to 1,685,448,004.20, 2,528,172,006.30 and 1,379,086,045.80 is: 2,068,629,068.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,448,004.20 : 2,528,172,006.30 = 1,379,086,045.80 : x
  2. Step 2: Convert to fraction form
    1,685,448,004.20/2,528,172,006.30 = 1,379,086,045.80/x
  3. Step 3: Cross multiply
    1,685,448,004.20x = 2,528,172,006.30 × 1,379,086,045.80
  4. Step 4: Simplify right side
    1,685,448,004.20x = 3,486,566,735,270,519,808
  5. Step 5: Solve for x
    x = 3,486,566,735,270,519,808/1,685,448,004.20
  6. Step 6: Final answer
    x = 2,068,629,068.70

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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.