Home / 489,742,869.84-675,814,155.68-269,726,295.84

Finding the Fourth Proportional to 489,742,869.84, 675,814,155.68 and 269,726,295.84

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Solution

The fourth proportional to 489,742,869.84, 675,814,155.68 and 269,726,295.84 is: 372,205,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,742,869.84 : 675,814,155.68 = 269,726,295.84 : x
  2. Step 2: Convert to fraction form
    489,742,869.84/675,814,155.68 = 269,726,295.84/x
  3. Step 3: Cross multiply
    489,742,869.84x = 675,814,155.68 × 269,726,295.84
  4. Step 4: Simplify right side
    489,742,869.84x = 182,284,848,887,803,456
  5. Step 5: Solve for x
    x = 182,284,848,887,803,456/489,742,869.84
  6. Step 6: Final answer
    x = 372,205,212.40

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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.