Finding the Fourth Proportional to 2,430,523,276.40, 3,645,884,447.40 and 707,237,260.40
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Solution
The fourth proportional to 2,430,523,276.40, 3,645,884,447.40 and 707,237,260.40 is: 1,060,884,852.80
Step by Step Solution
- Step 1: Write the proportion equation
2,430,523,276.40 : 3,645,884,447.40 = 707,237,260.40 : x - Step 2: Convert to fraction form
2,430,523,276.40/3,645,884,447.40 = 707,237,260.40/x - Step 3: Cross multiply
2,430,523,276.40x = 3,645,884,447.40 × 707,237,260.40 - Step 4: Simplify right side
2,430,523,276.40x = 2,578,505,328,314,143,744 - Step 5: Solve for x
x = 2,578,505,328,314,143,744/2,430,523,276.40 - Step 6: Final answer
x = 1,060,884,852.80
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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.