Home / 5,978,772,001.60-8,968,158,002.40-3,189,344,480.80

Finding the Fourth Proportional to 5,978,772,001.60, 8,968,158,002.40 and 3,189,344,480.80

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Solution

The fourth proportional to 5,978,772,001.60, 8,968,158,002.40 and 3,189,344,480.80 is: 4,784,016,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,772,001.60 : 8,968,158,002.40 = 3,189,344,480.80 : x
  2. Step 2: Convert to fraction form
    5,978,772,001.60/8,968,158,002.40 = 3,189,344,480.80/x
  3. Step 3: Cross multiply
    5,978,772,001.60x = 8,968,158,002.40 × 3,189,344,480.80
  4. Step 4: Simplify right side
    5,978,772,001.60x = 28,602,545,227,896,795,136
  5. Step 5: Solve for x
    x = 28,602,545,227,896,795,136/5,978,772,001.60
  6. Step 6: Final answer
    x = 4,784,016,721.20

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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.