Home / 825,702,922.65-1,238,554,383.98-458,370,903.45

Finding the Fourth Proportional to 825,702,922.65, 1,238,554,383.98 and 458,370,903.45

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Solution

The fourth proportional to 825,702,922.65, 1,238,554,383.98 and 458,370,903.45 is: 687,556,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,702,922.65 : 1,238,554,383.98 = 458,370,903.45 : x
  2. Step 2: Convert to fraction form
    825,702,922.65/1,238,554,383.98 = 458,370,903.45/x
  3. Step 3: Cross multiply
    825,702,922.65x = 1,238,554,383.98 × 458,370,903.45
  4. Step 4: Simplify right side
    825,702,922.65x = 567,717,291,954,578,880
  5. Step 5: Solve for x
    x = 567,717,291,954,578,880/825,702,922.65
  6. Step 6: Final answer
    x = 687,556,355.18

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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.