Home / 763,049,968.80-1,144,574,953.20-188,621,296.80

Finding the Fourth Proportional to 763,049,968.80, 1,144,574,953.20 and 188,621,296.80

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Solution

The fourth proportional to 763,049,968.80, 1,144,574,953.20 and 188,621,296.80 is: 282,931,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,049,968.80 : 1,144,574,953.20 = 188,621,296.80 : x
  2. Step 2: Convert to fraction form
    763,049,968.80/1,144,574,953.20 = 188,621,296.80/x
  3. Step 3: Cross multiply
    763,049,968.80x = 1,144,574,953.20 × 188,621,296.80
  4. Step 4: Simplify right side
    763,049,968.80x = 215,891,211,957,383,328
  5. Step 5: Solve for x
    x = 215,891,211,957,383,328/763,049,968.80
  6. Step 6: Final answer
    x = 282,931,945.20

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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.