Finding the Fourth Proportional to 18,358,353,000.90, 27,537,529,501.35 and 5,937,939,101.70
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Solution
The fourth proportional to 18,358,353,000.90, 27,537,529,501.35 and 5,937,939,101.70 is: 8,906,908,652.55
Step by Step Solution
- Step 1: Write the proportion equation
18,358,353,000.90 : 27,537,529,501.35 = 5,937,939,101.70 : x - Step 2: Convert to fraction form
18,358,353,000.90/27,537,529,501.35 = 5,937,939,101.70/x - Step 3: Cross multiply
18,358,353,000.90x = 27,537,529,501.35 × 5,937,939,101.70 - Step 4: Simplify right side
18,358,353,000.90x = 163,516,173,190,283,460,608 - Step 5: Solve for x
x = 163,516,173,190,283,460,608/18,358,353,000.90 - Step 6: Final answer
x = 8,906,908,652.55
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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.