Home / 2,187,733,122.95-3,019,071,857.21-1,197,658,539.95

Finding the Fourth Proportional to 2,187,733,122.95, 3,019,071,857.21 and 1,197,658,539.95

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Solution

The fourth proportional to 2,187,733,122.95, 3,019,071,857.21 and 1,197,658,539.95 is: 1,652,768,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,733,122.95 : 3,019,071,857.21 = 1,197,658,539.95 : x
  2. Step 2: Convert to fraction form
    2,187,733,122.95/3,019,071,857.21 = 1,197,658,539.95/x
  3. Step 3: Cross multiply
    2,187,733,122.95x = 3,019,071,857.21 × 1,197,658,539.95
  4. Step 4: Simplify right side
    2,187,733,122.95x = 3,615,817,192,517,344,256
  5. Step 5: Solve for x
    x = 3,615,817,192,517,344,256/2,187,733,122.95
  6. Step 6: Final answer
    x = 1,652,768,865.90

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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.