Home / 719,089,915.04-992,061,735.58-417,623,908.20

Finding the Fourth Proportional to 719,089,915.04, 992,061,735.58 and 417,623,908.20

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Solution

The fourth proportional to 719,089,915.04, 992,061,735.58 and 417,623,908.20 is: 576,157,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,089,915.04 : 992,061,735.58 = 417,623,908.20 : x
  2. Step 2: Convert to fraction form
    719,089,915.04/992,061,735.58 = 417,623,908.20/x
  3. Step 3: Cross multiply
    719,089,915.04x = 992,061,735.58 × 417,623,908.20
  4. Step 4: Simplify right side
    719,089,915.04x = 414,308,699,188,594,624
  5. Step 5: Solve for x
    x = 414,308,699,188,594,624/719,089,915.04
  6. Step 6: Final answer
    x = 576,157,015.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.