Home / 1,295,463,966,905.20-1,787,796,470,635-717,400,485,682.50

Finding the Fourth Proportional to 1,295,463,966,905.20, 1,787,796,470,635 and 717,400,485,682.50

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Solution

The fourth proportional to 1,295,463,966,905.20, 1,787,796,470,635 and 717,400,485,682.50 is: 990,043,790,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,463,966,905.20 : 1,787,796,470,635 = 717,400,485,682.50 : x
  2. Step 2: Convert to fraction form
    1,295,463,966,905.20/1,787,796,470,635 = 717,400,485,682.50/x
  3. Step 3: Cross multiply
    1,295,463,966,905.20x = 1,787,796,470,635 × 717,400,485,682.50
  4. Step 4: Simplify right side
    1,295,463,966,905.20x = 1,282,566,056,335,008,258,326,528
  5. Step 5: Solve for x
    x = 1,282,566,056,335,008,258,326,528/1,295,463,966,905.20
  6. Step 6: Final answer
    x = 990,043,790,564.86

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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.