Home / 825,653,574,139.15-1,238,480,361,208.70-259,864,692,003.55

Finding the Fourth Proportional to 825,653,574,139.15, 1,238,480,361,208.70 and 259,864,692,003.55

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Solution

The fourth proportional to 825,653,574,139.15, 1,238,480,361,208.70 and 259,864,692,003.55 is: 389,797,038,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,653,574,139.15 : 1,238,480,361,208.70 = 259,864,692,003.55 : x
  2. Step 2: Convert to fraction form
    825,653,574,139.15/1,238,480,361,208.70 = 259,864,692,003.55/x
  3. Step 3: Cross multiply
    825,653,574,139.15x = 1,238,480,361,208.70 × 259,864,692,003.55
  4. Step 4: Simplify right side
    825,653,574,139.15x = 321,837,317,617,944,151,195,648
  5. Step 5: Solve for x
    x = 321,837,317,617,944,151,195,648/825,653,574,139.15
  6. Step 6: Final answer
    x = 389,797,038,005.32

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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.