Finding the Fourth Proportional to 1,778,290,124.24, 2,667,193,035.24 and 468,082,461.80
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Solution
The fourth proportional to 1,778,290,124.24, 2,667,193,035.24 and 468,082,461.80 is: 702,059,953.55
Step by Step Solution
- Step 1: Write the proportion equation
1,778,290,124.24 : 2,667,193,035.24 = 468,082,461.80 : x - Step 2: Convert to fraction form
1,778,290,124.24/2,667,193,035.24 = 468,082,461.80/x - Step 3: Cross multiply
1,778,290,124.24x = 2,667,193,035.24 × 468,082,461.80 - Step 4: Simplify right side
1,778,290,124.24x = 1,248,466,282,030,953,216 - Step 5: Solve for x
x = 1,248,466,282,030,953,216/1,778,290,124.24 - Step 6: Final answer
x = 702,059,953.55
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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.