Home / 547,241,961,210.25-820,999,665,567.60-386,207,789,828.92

Finding the Fourth Proportional to 547,241,961,210.25, 820,999,665,567.60 and 386,207,789,828.92

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Solution

The fourth proportional to 547,241,961,210.25, 820,999,665,567.60 and 386,207,789,828.92 is: 579,408,175,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,241,961,210.25 : 820,999,665,567.60 = 386,207,789,828.92 : x
  2. Step 2: Convert to fraction form
    547,241,961,210.25/820,999,665,567.60 = 386,207,789,828.92/x
  3. Step 3: Cross multiply
    547,241,961,210.25x = 820,999,665,567.60 × 386,207,789,828.92
  4. Step 4: Simplify right side
    547,241,961,210.25x = 317,076,466,289,145,265,782,784
  5. Step 5: Solve for x
    x = 317,076,466,289,145,265,782,784/547,241,961,210.25
  6. Step 6: Final answer
    x = 579,408,175,476.74

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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.