Home / 805,186,433,651.75-1,111,180,855,591.80-439,404,206,632.56

Finding the Fourth Proportional to 805,186,433,651.75, 1,111,180,855,591.80 and 439,404,206,632.56

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Solution

The fourth proportional to 805,186,433,651.75, 1,111,180,855,591.80 and 439,404,206,632.56 is: 606,390,671,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,186,433,651.75 : 1,111,180,855,591.80 = 439,404,206,632.56 : x
  2. Step 2: Convert to fraction form
    805,186,433,651.75/1,111,180,855,591.80 = 439,404,206,632.56/x
  3. Step 3: Cross multiply
    805,186,433,651.75x = 1,111,180,855,591.80 × 439,404,206,632.56
  4. Step 4: Simplify right side
    805,186,433,651.75x = 488,257,542,276,604,137,308,160
  5. Step 5: Solve for x
    x = 488,257,542,276,604,137,308,160/805,186,433,651.75
  6. Step 6: Final answer
    x = 606,390,671,614.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.