Home / 446,903,999.40-670,355,999.10-123,787,871.40

Finding the Fourth Proportional to 446,903,999.40, 670,355,999.10 and 123,787,871.40

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Solution

The fourth proportional to 446,903,999.40, 670,355,999.10 and 123,787,871.40 is: 185,681,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,903,999.40 : 670,355,999.10 = 123,787,871.40 : x
  2. Step 2: Convert to fraction form
    446,903,999.40/670,355,999.10 = 123,787,871.40/x
  3. Step 3: Cross multiply
    446,903,999.40x = 670,355,999.10 × 123,787,871.40
  4. Step 4: Simplify right side
    446,903,999.40x = 82,981,942,208,809,328
  5. Step 5: Solve for x
    x = 82,981,942,208,809,328/446,903,999.40
  6. Step 6: Final answer
    x = 185,681,807.10

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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.