Home / 21,040,600,585.32-29,027,946,762.72-12,008,859,992.64

Finding the Fourth Proportional to 21,040,600,585.32, 29,027,946,762.72 and 12,008,859,992.64

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Solution

The fourth proportional to 21,040,600,585.32, 29,027,946,762.72 and 12,008,859,992.64 is: 16,567,613,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040,600,585.32 : 29,027,946,762.72 = 12,008,859,992.64 : x
  2. Step 2: Convert to fraction form
    21,040,600,585.32/29,027,946,762.72 = 12,008,859,992.64/x
  3. Step 3: Cross multiply
    21,040,600,585.32x = 29,027,946,762.72 × 12,008,859,992.64
  4. Step 4: Simplify right side
    21,040,600,585.32x = 348,592,548,547,312,025,600
  5. Step 5: Solve for x
    x = 348,592,548,547,312,025,600/21,040,600,585.32
  6. Step 6: Final answer
    x = 16,567,613,986.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.