Home / 2,878,861,539.02-4,319,885,757.81-1,405,013,556.38

Finding the Fourth Proportional to 2,878,861,539.02, 4,319,885,757.81 and 1,405,013,556.38

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Solution

The fourth proportional to 2,878,861,539.02, 4,319,885,757.81 and 1,405,013,556.38 is: 2,108,298,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,861,539.02 : 4,319,885,757.81 = 1,405,013,556.38 : x
  2. Step 2: Convert to fraction form
    2,878,861,539.02/4,319,885,757.81 = 1,405,013,556.38/x
  3. Step 3: Cross multiply
    2,878,861,539.02x = 4,319,885,757.81 × 1,405,013,556.38
  4. Step 4: Simplify right side
    2,878,861,539.02x = 6,069,498,051,735,940,096
  5. Step 5: Solve for x
    x = 6,069,498,051,735,940,096/2,878,861,539.02
  6. Step 6: Final answer
    x = 2,108,298,009.29

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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.