Home / 1,073,095,791.20-1,609,643,686.80-900,908,907.20

Finding the Fourth Proportional to 1,073,095,791.20, 1,609,643,686.80 and 900,908,907.20

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Solution

The fourth proportional to 1,073,095,791.20, 1,609,643,686.80 and 900,908,907.20 is: 1,351,363,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,095,791.20 : 1,609,643,686.80 = 900,908,907.20 : x
  2. Step 2: Convert to fraction form
    1,073,095,791.20/1,609,643,686.80 = 900,908,907.20/x
  3. Step 3: Cross multiply
    1,073,095,791.20x = 1,609,643,686.80 × 900,908,907.20
  4. Step 4: Simplify right side
    1,073,095,791.20x = 1,450,142,334,856,367,104
  5. Step 5: Solve for x
    x = 1,450,142,334,856,367,104/1,073,095,791.20
  6. Step 6: Final answer
    x = 1,351,363,360.80

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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.