Home / 1,391,042,674.80-2,086,564,012.20-746,070,130.80

Finding the Fourth Proportional to 1,391,042,674.80, 2,086,564,012.20 and 746,070,130.80

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Solution

The fourth proportional to 1,391,042,674.80, 2,086,564,012.20 and 746,070,130.80 is: 1,119,105,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,042,674.80 : 2,086,564,012.20 = 746,070,130.80 : x
  2. Step 2: Convert to fraction form
    1,391,042,674.80/2,086,564,012.20 = 746,070,130.80/x
  3. Step 3: Cross multiply
    1,391,042,674.80x = 2,086,564,012.20 × 746,070,130.80
  4. Step 4: Simplify right side
    1,391,042,674.80x = 1,556,723,085,504,626,688
  5. Step 5: Solve for x
    x = 1,556,723,085,504,626,688/1,391,042,674.80
  6. Step 6: Final answer
    x = 1,119,105,196.20

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Double scale
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1.5x scale

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.