Finding the Fourth Proportional to 7,557,798,015.90, 11,336,697,023.85 and 4,292,624,511.90
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Solution
The fourth proportional to 7,557,798,015.90, 11,336,697,023.85 and 4,292,624,511.90 is: 6,438,936,767.85
Step by Step Solution
- Step 1: Write the proportion equation
7,557,798,015.90 : 11,336,697,023.85 = 4,292,624,511.90 : x - Step 2: Convert to fraction form
7,557,798,015.90/11,336,697,023.85 = 4,292,624,511.90/x - Step 3: Cross multiply
7,557,798,015.90x = 11,336,697,023.85 × 4,292,624,511.90 - Step 4: Simplify right side
7,557,798,015.90x = 48,664,183,528,562,294,784 - Step 5: Solve for x
x = 48,664,183,528,562,294,784/7,557,798,015.90 - Step 6: Final answer
x = 6,438,936,767.85
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Double scale
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Similar ratio
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1.5x scale
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.