Home / 494,857,392.40-742,097,131.80-149,696,304.40

Finding the Fourth Proportional to 494,857,392.40, 742,097,131.80 and 149,696,304.40

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Solution

The fourth proportional to 494,857,392.40, 742,097,131.80 and 149,696,304.40 is: 224,487,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,857,392.40 : 742,097,131.80 = 149,696,304.40 : x
  2. Step 2: Convert to fraction form
    494,857,392.40/742,097,131.80 = 149,696,304.40/x
  3. Step 3: Cross multiply
    494,857,392.40x = 742,097,131.80 × 149,696,304.40
  4. Step 4: Simplify right side
    494,857,392.40x = 111,089,198,136,299,712
  5. Step 5: Solve for x
    x = 111,089,198,136,299,712/494,857,392.40
  6. Step 6: Final answer
    x = 224,487,296.43

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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.