Home / 825,867,205.60-1,238,800,808.40-458,535,186.40

Finding the Fourth Proportional to 825,867,205.60, 1,238,800,808.40 and 458,535,186.40

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Solution

The fourth proportional to 825,867,205.60, 1,238,800,808.40 and 458,535,186.40 is: 687,802,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,867,205.60 : 1,238,800,808.40 = 458,535,186.40 : x
  2. Step 2: Convert to fraction form
    825,867,205.60/1,238,800,808.40 = 458,535,186.40/x
  3. Step 3: Cross multiply
    825,867,205.60x = 1,238,800,808.40 × 458,535,186.40
  4. Step 4: Simplify right side
    825,867,205.60x = 568,033,759,592,164,672
  5. Step 5: Solve for x
    x = 568,033,759,592,164,672/825,867,205.60
  6. Step 6: Final answer
    x = 687,802,779.60

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