Home / 15,945,646,725.08-22,005,001,308.08-8,612,999,434.91

Finding the Fourth Proportional to 15,945,646,725.08, 22,005,001,308.08 and 8,612,999,434.91

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Solution

The fourth proportional to 15,945,646,725.08, 22,005,001,308.08 and 8,612,999,434.91 is: 11,885,943,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,646,725.08 : 22,005,001,308.08 = 8,612,999,434.91 : x
  2. Step 2: Convert to fraction form
    15,945,646,725.08/22,005,001,308.08 = 8,612,999,434.91/x
  3. Step 3: Cross multiply
    15,945,646,725.08x = 22,005,001,308.08 × 8,612,999,434.91
  4. Step 4: Simplify right side
    15,945,646,725.08x = 189,529,063,831,605,968,896
  5. Step 5: Solve for x
    x = 189,529,063,831,605,968,896/15,945,646,725.08
  6. Step 6: Final answer
    x = 11,885,943,988.31

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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.