Home / 446,671,858.80-670,028,783.40-139,973,977.20

Finding the Fourth Proportional to 446,671,858.80, 670,028,783.40 and 139,973,977.20

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Solution

The fourth proportional to 446,671,858.80, 670,028,783.40 and 139,973,977.20 is: 209,967,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,671,858.80 : 670,028,783.40 = 139,973,977.20 : x
  2. Step 2: Convert to fraction form
    446,671,858.80/670,028,783.40 = 139,973,977.20/x
  3. Step 3: Cross multiply
    446,671,858.80x = 670,028,783.40 × 139,973,977.20
  4. Step 4: Simplify right side
    446,671,858.80x = 93,786,593,650,975,328
  5. Step 5: Solve for x
    x = 93,786,593,650,975,328/446,671,858.80
  6. Step 6: Final answer
    x = 209,967,545.09

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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.