Home / 12,411,613,862.20-18,626,490,719.70-8,738,293,670.20

Finding the Fourth Proportional to 12,411,613,862.20, 18,626,490,719.70 and 8,738,293,670.20

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Solution

The fourth proportional to 12,411,613,862.20, 18,626,490,719.70 and 8,738,293,670.20 is: 13,113,826,111.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,613,862.20 : 18,626,490,719.70 = 8,738,293,670.20 : x
  2. Step 2: Convert to fraction form
    12,411,613,862.20/18,626,490,719.70 = 8,738,293,670.20/x
  3. Step 3: Cross multiply
    12,411,613,862.20x = 18,626,490,719.70 × 8,738,293,670.20
  4. Step 4: Simplify right side
    12,411,613,862.20x = 162,763,745,953,993,588,736
  5. Step 5: Solve for x
    x = 162,763,745,953,993,588,736/12,411,613,862.20
  6. Step 6: Final answer
    x = 13,113,826,111.66

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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.