Home / 275,571,072.90-412,878,312.45-178,476,802.20

Finding the Fourth Proportional to 275,571,072.90, 412,878,312.45 and 178,476,802.20

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Solution

The fourth proportional to 275,571,072.90, 412,878,312.45 and 178,476,802.20 is: 267,405,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,571,072.90 : 412,878,312.45 = 178,476,802.20 : x
  2. Step 2: Convert to fraction form
    275,571,072.90/412,878,312.45 = 178,476,802.20/x
  3. Step 3: Cross multiply
    275,571,072.90x = 412,878,312.45 × 178,476,802.20
  4. Step 4: Simplify right side
    275,571,072.90x = 73,689,200,903,808,448
  5. Step 5: Solve for x
    x = 73,689,200,903,808,448/275,571,072.90
  6. Step 6: Final answer
    x = 267,405,428.76

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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.