Home / 1,520,809,344,042-2,281,214,016,063.20-1,275,339,722,211.50

Finding the Fourth Proportional to 1,520,809,344,042, 2,281,214,016,063.20 and 1,275,339,722,211.50

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Solution

The fourth proportional to 1,520,809,344,042, 2,281,214,016,063.20 and 1,275,339,722,211.50 is: 1,913,009,583,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,809,344,042 : 2,281,214,016,063.20 = 1,275,339,722,211.50 : x
  2. Step 2: Convert to fraction form
    1,520,809,344,042/2,281,214,016,063.20 = 1,275,339,722,211.50/x
  3. Step 3: Cross multiply
    1,520,809,344,042x = 2,281,214,016,063.20 × 1,275,339,722,211.50
  4. Step 4: Simplify right side
    1,520,809,344,042x = 2,909,322,849,551,022,255,243,264
  5. Step 5: Solve for x
    x = 2,909,322,849,551,022,255,243,264/1,520,809,344,042
  6. Step 6: Final answer
    x = 1,913,009,583,317.42

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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.