Home / 1,905,456,643.74-2,629,601,133.58-1,142,624,909.88

Finding the Fourth Proportional to 1,905,456,643.74, 2,629,601,133.58 and 1,142,624,909.88

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Solution

The fourth proportional to 1,905,456,643.74, 2,629,601,133.58 and 1,142,624,909.88 is: 1,576,864,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,456,643.74 : 2,629,601,133.58 = 1,142,624,909.88 : x
  2. Step 2: Convert to fraction form
    1,905,456,643.74/2,629,601,133.58 = 1,142,624,909.88/x
  3. Step 3: Cross multiply
    1,905,456,643.74x = 2,629,601,133.58 × 1,142,624,909.88
  4. Step 4: Simplify right side
    1,905,456,643.74x = 3,004,647,758,282,532,352
  5. Step 5: Solve for x
    x = 3,004,647,758,282,532,352/1,905,456,643.74
  6. Step 6: Final answer
    x = 1,576,864,930.60

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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.