Home / 3,986,139,080.80-5,979,177,128.40-1,038,413,000.80

Finding the Fourth Proportional to 3,986,139,080.80, 5,979,177,128.40 and 1,038,413,000.80

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Solution

The fourth proportional to 3,986,139,080.80, 5,979,177,128.40 and 1,038,413,000.80 is: 1,557,611,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,139,080.80 : 5,979,177,128.40 = 1,038,413,000.80 : x
  2. Step 2: Convert to fraction form
    3,986,139,080.80/5,979,177,128.40 = 1,038,413,000.80/x
  3. Step 3: Cross multiply
    3,986,139,080.80x = 5,979,177,128.40 × 1,038,413,000.80
  4. Step 4: Simplify right side
    3,986,139,080.80x = 6,208,855,264,216,569,856
  5. Step 5: Solve for x
    x = 6,208,855,264,216,569,856/3,986,139,080.80
  6. Step 6: Final answer
    x = 1,557,611,297.14

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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.