Home / 15,447,525,484.32-21,319,831,486.80-8,674,104,448.80

Finding the Fourth Proportional to 15,447,525,484.32, 21,319,831,486.80 and 8,674,104,448.80

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Solution

The fourth proportional to 15,447,525,484.32, 21,319,831,486.80 and 8,674,104,448.80 is: 11,971,525,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447,525,484.32 : 21,319,831,486.80 = 8,674,104,448.80 : x
  2. Step 2: Convert to fraction form
    15,447,525,484.32/21,319,831,486.80 = 8,674,104,448.80/x
  3. Step 3: Cross multiply
    15,447,525,484.32x = 21,319,831,486.80 × 8,674,104,448.80
  4. Step 4: Simplify right side
    15,447,525,484.32x = 184,930,445,147,318,190,080
  5. Step 5: Solve for x
    x = 184,930,445,147,318,190,080/15,447,525,484.32
  6. Step 6: Final answer
    x = 11,971,525,493.52

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Double scale
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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.