Finding the Fourth Proportional to 7,091,712,683.70, 10,637,569,025.55 and 4,189,336,235.70
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Solution
The fourth proportional to 7,091,712,683.70, 10,637,569,025.55 and 4,189,336,235.70 is: 6,284,004,353.55
Step by Step Solution
- Step 1: Write the proportion equation
7,091,712,683.70 : 10,637,569,025.55 = 4,189,336,235.70 : x - Step 2: Convert to fraction form
7,091,712,683.70/10,637,569,025.55 = 4,189,336,235.70/x - Step 3: Cross multiply
7,091,712,683.70x = 10,637,569,025.55 × 4,189,336,235.70 - Step 4: Simplify right side
7,091,712,683.70x = 44,564,353,378,496,552,960 - Step 5: Solve for x
x = 44,564,353,378,496,552,960/7,091,712,683.70 - Step 6: Final answer
x = 6,284,004,353.55
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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.