Finding the Fourth Proportional to 1,771,471,451.40, 2,657,207,177.10 and 606,552,779.40
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Solution
The fourth proportional to 1,771,471,451.40, 2,657,207,177.10 and 606,552,779.40 is: 909,829,169.10
Step by Step Solution
- Step 1: Write the proportion equation
1,771,471,451.40 : 2,657,207,177.10 = 606,552,779.40 : x - Step 2: Convert to fraction form
1,771,471,451.40/2,657,207,177.10 = 606,552,779.40/x - Step 3: Cross multiply
1,771,471,451.40x = 2,657,207,177.10 × 606,552,779.40 - Step 4: Simplify right side
1,771,471,451.40x = 1,611,736,398,711,632,896 - Step 5: Solve for x
x = 1,611,736,398,711,632,896/1,771,471,451.40 - Step 6: Final answer
x = 909,829,169.10
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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.