Home / 446,665,204.80-670,018,802.40-139,967,323.20

Finding the Fourth Proportional to 446,665,204.80, 670,018,802.40 and 139,967,323.20

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Solution

The fourth proportional to 446,665,204.80, 670,018,802.40 and 139,967,323.20 is: 209,957,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665,204.80 : 670,018,802.40 = 139,967,323.20 : x
  2. Step 2: Convert to fraction form
    446,665,204.80/670,018,802.40 = 139,967,323.20/x
  3. Step 3: Cross multiply
    446,665,204.80x = 670,018,802.40 × 139,967,323.20
  4. Step 4: Simplify right side
    446,665,204.80x = 93,780,738,265,597,728
  5. Step 5: Solve for x
    x = 93,780,738,265,597,728/446,665,204.80
  6. Step 6: Final answer
    x = 209,957,563.87

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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.