Home / 547,241,961,210.67-820,999,665,568.26-386,207,789,829.32

Finding the Fourth Proportional to 547,241,961,210.67, 820,999,665,568.26 and 386,207,789,829.32

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Solution

The fourth proportional to 547,241,961,210.67, 820,999,665,568.26 and 386,207,789,829.32 is: 579,408,175,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,241,961,210.67 : 820,999,665,568.26 = 386,207,789,829.32 : x
  2. Step 2: Convert to fraction form
    547,241,961,210.67/820,999,665,568.26 = 386,207,789,829.32/x
  3. Step 3: Cross multiply
    547,241,961,210.67x = 820,999,665,568.26 × 386,207,789,829.32
  4. Step 4: Simplify right side
    547,241,961,210.67x = 317,076,466,289,728,576,028,672
  5. Step 5: Solve for x
    x = 317,076,466,289,728,576,028,672/547,241,961,210.67
  6. Step 6: Final answer
    x = 579,408,175,477.36

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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.