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Finding the Fourth Proportional to 2,880,945,702.80, 4,044,207,895.60 and 2,880,945,702.80

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Solution

The fourth proportional to 2,880,945,702.80, 4,044,207,895.60 and 2,880,945,702.80 is: 4,044,207,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,945,702.80 : 4,044,207,895.60 = 2,880,945,702.80 : x
  2. Step 2: Convert to fraction form
    2,880,945,702.80/4,044,207,895.60 = 2,880,945,702.80/x
  3. Step 3: Cross multiply
    2,880,945,702.80x = 4,044,207,895.60 × 2,880,945,702.80
  4. Step 4: Simplify right side
    2,880,945,702.80x = 11,651,143,358,058,651,648
  5. Step 5: Solve for x
    x = 11,651,143,358,058,651,648/2,880,945,702.80
  6. Step 6: Final answer
    x = 4,044,207,895.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.