Home / 21,165,600,094.72-29,208,296,340.48-11,649,948,398.08

Finding the Fourth Proportional to 21,165,600,094.72, 29,208,296,340.48 and 11,649,948,398.08

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Solution

The fourth proportional to 21,165,600,094.72, 29,208,296,340.48 and 11,649,948,398.08 is: 16,076,801,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165,600,094.72 : 29,208,296,340.48 = 11,649,948,398.08 : x
  2. Step 2: Convert to fraction form
    21,165,600,094.72/29,208,296,340.48 = 11,649,948,398.08/x
  3. Step 3: Cross multiply
    21,165,600,094.72x = 29,208,296,340.48 × 11,649,948,398.08
  4. Step 4: Simplify right side
    21,165,600,094.72x = 340,275,145,162,420,912,128
  5. Step 5: Solve for x
    x = 340,275,145,162,420,912,128/21,165,600,094.72
  6. Step 6: Final answer
    x = 16,076,801,207.60

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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.