Home / 1,170,682,466.29-1,615,643,972.10-642,148,603.83

Finding the Fourth Proportional to 1,170,682,466.29, 1,615,643,972.10 and 642,148,603.83

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Solution

The fourth proportional to 1,170,682,466.29, 1,615,643,972.10 and 642,148,603.83 is: 886,221,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,682,466.29 : 1,615,643,972.10 = 642,148,603.83 : x
  2. Step 2: Convert to fraction form
    1,170,682,466.29/1,615,643,972.10 = 642,148,603.83/x
  3. Step 3: Cross multiply
    1,170,682,466.29x = 1,615,643,972.10 × 642,148,603.83
  4. Step 4: Simplify right side
    1,170,682,466.29x = 1,037,483,520,970,370,432
  5. Step 5: Solve for x
    x = 1,037,483,520,970,370,432/1,170,682,466.29
  6. Step 6: Final answer
    x = 886,221,115.33

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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.