Home / 12,043,878,964.95-18,059,615,415.59-5,405,817,461.16

Finding the Fourth Proportional to 12,043,878,964.95, 18,059,615,415.59 and 5,405,817,461.16

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Solution

The fourth proportional to 12,043,878,964.95, 18,059,615,415.59 and 5,405,817,461.16 is: 8,105,942,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,878,964.95 : 18,059,615,415.59 = 5,405,817,461.16 : x
  2. Step 2: Convert to fraction form
    12,043,878,964.95/18,059,615,415.59 = 5,405,817,461.16/x
  3. Step 3: Cross multiply
    12,043,878,964.95x = 18,059,615,415.59 × 5,405,817,461.16
  4. Step 4: Simplify right side
    12,043,878,964.95x = 97,626,984,355,403,694,080
  5. Step 5: Solve for x
    x = 97,626,984,355,403,694,080/12,043,878,964.95
  6. Step 6: Final answer
    x = 8,105,942,000.87

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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.