Home / 1,114,984,045.89-1,672,118,013.19-367,831,865.70

Finding the Fourth Proportional to 1,114,984,045.89, 1,672,118,013.19 and 367,831,865.70

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Solution

The fourth proportional to 1,114,984,045.89, 1,672,118,013.19 and 367,831,865.70 is: 551,629,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,984,045.89 : 1,672,118,013.19 = 367,831,865.70 : x
  2. Step 2: Convert to fraction form
    1,114,984,045.89/1,672,118,013.19 = 367,831,865.70/x
  3. Step 3: Cross multiply
    1,114,984,045.89x = 1,672,118,013.19 × 367,831,865.70
  4. Step 4: Simplify right side
    1,114,984,045.89x = 615,058,288,462,254,848
  5. Step 5: Solve for x
    x = 615,058,288,462,254,848/1,114,984,045.89
  6. Step 6: Final answer
    x = 551,629,676.43

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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.