Home / 31,665,092,042.40-43,698,680,362.01-18,630,184,589.69

Finding the Fourth Proportional to 31,665,092,042.40, 43,698,680,362.01 and 18,630,184,589.69

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Solution

The fourth proportional to 31,665,092,042.40, 43,698,680,362.01 and 18,630,184,589.69 is: 25,710,156,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665,092,042.40 : 43,698,680,362.01 = 18,630,184,589.69 : x
  2. Step 2: Convert to fraction form
    31,665,092,042.40/43,698,680,362.01 = 18,630,184,589.69/x
  3. Step 3: Cross multiply
    31,665,092,042.40x = 43,698,680,362.01 × 18,630,184,589.69
  4. Step 4: Simplify right side
    31,665,092,042.40x = 814,114,481,469,963,763,712
  5. Step 5: Solve for x
    x = 814,114,481,469,963,763,712/31,665,092,042.40
  6. Step 6: Final answer
    x = 25,710,156,799.16

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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.