Home / 446,127,128.40-669,190,692.60-354,294,123.60

Finding the Fourth Proportional to 446,127,128.40, 669,190,692.60 and 354,294,123.60

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Solution

The fourth proportional to 446,127,128.40, 669,190,692.60 and 354,294,123.60 is: 531,441,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,127,128.40 : 669,190,692.60 = 354,294,123.60 : x
  2. Step 2: Convert to fraction form
    446,127,128.40/669,190,692.60 = 354,294,123.60/x
  3. Step 3: Cross multiply
    446,127,128.40x = 669,190,692.60 × 354,294,123.60
  4. Step 4: Simplify right side
    446,127,128.40x = 237,090,329,955,994,016
  5. Step 5: Solve for x
    x = 237,090,329,955,994,016/446,127,128.40
  6. Step 6: Final answer
    x = 531,441,185.40

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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.