Home / 788,170,617,960.24-1,087,756,520,847.30-479,543,887,374.56

Finding the Fourth Proportional to 788,170,617,960.24, 1,087,756,520,847.30 and 479,543,887,374.56

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Solution

The fourth proportional to 788,170,617,960.24, 1,087,756,520,847.30 and 479,543,887,374.56 is: 661,819,888,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,170,617,960.24 : 1,087,756,520,847.30 = 479,543,887,374.56 : x
  2. Step 2: Convert to fraction form
    788,170,617,960.24/1,087,756,520,847.30 = 479,543,887,374.56/x
  3. Step 3: Cross multiply
    788,170,617,960.24x = 1,087,756,520,847.30 × 479,543,887,374.56
  4. Step 4: Simplify right side
    788,170,617,960.24x = 521,626,990,524,140,867,289,088
  5. Step 5: Solve for x
    x = 521,626,990,524,140,867,289,088/788,170,617,960.24
  6. Step 6: Final answer
    x = 661,819,888,533.90

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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.