Home / 1,281,370,089.19-1,921,020,790.89-1,177,941,311.73

Finding the Fourth Proportional to 1,281,370,089.19, 1,921,020,790.89 and 1,177,941,311.73

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Solution

The fourth proportional to 1,281,370,089.19, 1,921,020,790.89 and 1,177,941,311.73 is: 1,765,961,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,370,089.19 : 1,921,020,790.89 = 1,177,941,311.73 : x
  2. Step 2: Convert to fraction form
    1,281,370,089.19/1,921,020,790.89 = 1,177,941,311.73/x
  3. Step 3: Cross multiply
    1,281,370,089.19x = 1,921,020,790.89 × 1,177,941,311.73
  4. Step 4: Simplify right side
    1,281,370,089.19x = 2,262,849,750,276,150,272
  5. Step 5: Solve for x
    x = 2,262,849,750,276,150,272/1,281,370,089.19
  6. Step 6: Final answer
    x = 1,765,961,114.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.