Home / 449,308,869.60-673,963,304.40-419,075,781.60

Finding the Fourth Proportional to 449,308,869.60, 673,963,304.40 and 419,075,781.60

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Solution

The fourth proportional to 449,308,869.60, 673,963,304.40 and 419,075,781.60 is: 628,613,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,308,869.60 : 673,963,304.40 = 419,075,781.60 : x
  2. Step 2: Convert to fraction form
    449,308,869.60/673,963,304.40 = 419,075,781.60/x
  3. Step 3: Cross multiply
    449,308,869.60x = 673,963,304.40 × 419,075,781.60
  4. Step 4: Simplify right side
    449,308,869.60x = 282,441,698,561,148,736
  5. Step 5: Solve for x
    x = 282,441,698,561,148,736/449,308,869.60
  6. Step 6: Final answer
    x = 628,613,672.40

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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.