Home / 12,043,878,961.20-18,059,615,409.96-5,405,817,457.41

Finding the Fourth Proportional to 12,043,878,961.20, 18,059,615,409.96 and 5,405,817,457.41

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Solution

The fourth proportional to 12,043,878,961.20, 18,059,615,409.96 and 5,405,817,457.41 is: 8,105,941,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,878,961.20 : 18,059,615,409.96 = 5,405,817,457.41 : x
  2. Step 2: Convert to fraction form
    12,043,878,961.20/18,059,615,409.96 = 5,405,817,457.41/x
  3. Step 3: Cross multiply
    12,043,878,961.20x = 18,059,615,409.96 × 5,405,817,457.41
  4. Step 4: Simplify right side
    12,043,878,961.20x = 97,626,984,257,272,414,208
  5. Step 5: Solve for x
    x = 97,626,984,257,272,414,208/12,043,878,961.20
  6. Step 6: Final answer
    x = 8,105,941,995.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.