Finding the Fourth Proportional to 1,034,252,368.40, 1,551,378,552.60 and 646,513,014.80
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Solution
The fourth proportional to 1,034,252,368.40, 1,551,378,552.60 and 646,513,014.80 is: 969,769,522.20
Step by Step Solution
- Step 1: Write the proportion equation
1,034,252,368.40 : 1,551,378,552.60 = 646,513,014.80 : x - Step 2: Convert to fraction form
1,034,252,368.40/1,551,378,552.60 = 646,513,014.80/x - Step 3: Cross multiply
1,034,252,368.40x = 1,551,378,552.60 × 646,513,014.80 - Step 4: Simplify right side
1,034,252,368.40x = 1,002,986,425,137,486,208 - Step 5: Solve for x
x = 1,002,986,425,137,486,208/1,034,252,368.40 - Step 6: Final answer
x = 969,769,522.20
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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.