Home / 13,982,689,573.50-20,987,294,436.01-8,654,684,987.51

Finding the Fourth Proportional to 13,982,689,573.50, 20,987,294,436.01 and 8,654,684,987.51

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Solution

The fourth proportional to 13,982,689,573.50, 20,987,294,436.01 and 8,654,684,987.51 is: 12,990,234,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982,689,573.50 : 20,987,294,436.01 = 8,654,684,987.51 : x
  2. Step 2: Convert to fraction form
    13,982,689,573.50/20,987,294,436.01 = 8,654,684,987.51/x
  3. Step 3: Cross multiply
    13,982,689,573.50x = 20,987,294,436.01 × 8,654,684,987.51
  4. Step 4: Simplify right side
    13,982,689,573.50x = 181,638,422,083,760,586,752
  5. Step 5: Solve for x
    x = 181,638,422,083,760,586,752/13,982,689,573.50
  6. Step 6: Final answer
    x = 12,990,234,899.30

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1.5x scale

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.