Home / 15,473,722,741.58-23,215,137,971.22-4,992,742,541.90

Finding the Fourth Proportional to 15,473,722,741.58, 23,215,137,971.22 and 4,992,742,541.90

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Solution

The fourth proportional to 15,473,722,741.58, 23,215,137,971.22 and 4,992,742,541.90 is: 7,490,583,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,722,741.58 : 23,215,137,971.22 = 4,992,742,541.90 : x
  2. Step 2: Convert to fraction form
    15,473,722,741.58/23,215,137,971.22 = 4,992,742,541.90/x
  3. Step 3: Cross multiply
    15,473,722,741.58x = 23,215,137,971.22 × 4,992,742,541.90
  4. Step 4: Simplify right side
    15,473,722,741.58x = 115,907,206,964,988,149,760
  5. Step 5: Solve for x
    x = 115,907,206,964,988,149,760/15,473,722,741.58
  6. Step 6: Final answer
    x = 7,490,583,158.35

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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.