Home / 1,520,809,344,043.90-2,281,214,016,065.60-1,275,339,722,213.40

Finding the Fourth Proportional to 1,520,809,344,043.90, 2,281,214,016,065.60 and 1,275,339,722,213.40

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Solution

The fourth proportional to 1,520,809,344,043.90, 2,281,214,016,065.60 and 1,275,339,722,213.40 is: 1,913,009,583,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,809,344,043.90 : 2,281,214,016,065.60 = 1,275,339,722,213.40 : x
  2. Step 2: Convert to fraction form
    1,520,809,344,043.90/2,281,214,016,065.60 = 1,275,339,722,213.40/x
  3. Step 3: Cross multiply
    1,520,809,344,043.90x = 2,281,214,016,065.60 × 1,275,339,722,213.40
  4. Step 4: Simplify right side
    1,520,809,344,043.90x = 2,909,322,849,558,416,578,314,240
  5. Step 5: Solve for x
    x = 2,909,322,849,558,416,578,314,240/1,520,809,344,043.90
  6. Step 6: Final answer
    x = 1,913,009,583,319.89

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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.