Home / 15,447,525,486.32-21,319,831,489.56-8,674,104,450.80

Finding the Fourth Proportional to 15,447,525,486.32, 21,319,831,489.56 and 8,674,104,450.80

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Solution

The fourth proportional to 15,447,525,486.32, 21,319,831,489.56 and 8,674,104,450.80 is: 11,971,525,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,525,486.32 : 21,319,831,489.56 = 8,674,104,450.80 : x
  2. Step 2: Convert to fraction form
    15,447,525,486.32/21,319,831,489.56 = 8,674,104,450.80/x
  3. Step 3: Cross multiply
    15,447,525,486.32x = 21,319,831,489.56 × 8,674,104,450.80
  4. Step 4: Simplify right side
    15,447,525,486.32x = 184,930,445,213,898,375,168
  5. Step 5: Solve for x
    x = 184,930,445,213,898,375,168/15,447,525,486.32
  6. Step 6: Final answer
    x = 11,971,525,496.28

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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.