Home / 18,071,916,017.60-27,109,435,544.40-4,985,712,833.60

Finding the Fourth Proportional to 18,071,916,017.60, 27,109,435,544.40 and 4,985,712,833.60

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Solution

The fourth proportional to 18,071,916,017.60, 27,109,435,544.40 and 4,985,712,833.60 is: 7,479,000,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071,916,017.60 : 27,109,435,544.40 = 4,985,712,833.60 : x
  2. Step 2: Convert to fraction form
    18,071,916,017.60/27,109,435,544.40 = 4,985,712,833.60/x
  3. Step 3: Cross multiply
    18,071,916,017.60x = 27,109,435,544.40 × 4,985,712,833.60
  4. Step 4: Simplify right side
    18,071,916,017.60x = 135,159,860,705,367,097,344
  5. Step 5: Solve for x
    x = 135,159,860,705,367,097,344/18,071,916,017.60
  6. Step 6: Final answer
    x = 7,479,000,044.81

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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.