Home / 40,234,986,075.23-55,525,465,171.11-22,171,665,860.86

Finding the Fourth Proportional to 40,234,986,075.23, 55,525,465,171.11 and 22,171,665,860.86

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Solution

The fourth proportional to 40,234,986,075.23, 55,525,465,171.11 and 22,171,665,860.86 is: 30,597,551,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234,986,075.23 : 55,525,465,171.11 = 22,171,665,860.86 : x
  2. Step 2: Convert to fraction form
    40,234,986,075.23/55,525,465,171.11 = 22,171,665,860.86/x
  3. Step 3: Cross multiply
    40,234,986,075.23x = 55,525,465,171.11 × 22,171,665,860.86
  4. Step 4: Simplify right side
    40,234,986,075.23x = 1,231,092,060,542,870,224,896
  5. Step 5: Solve for x
    x = 1,231,092,060,542,870,224,896/40,234,986,075.23
  6. Step 6: Final answer
    x = 30,597,551,549.82

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1.5x scale

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.