Finding the Fourth Proportional to 1,149,552,021.60, 1,724,328,032.40 and 536,198,248.80
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Solution
The fourth proportional to 1,149,552,021.60, 1,724,328,032.40 and 536,198,248.80 is: 804,297,373.20
Step by Step Solution
- Step 1: Write the proportion equation
1,149,552,021.60 : 1,724,328,032.40 = 536,198,248.80 : x - Step 2: Convert to fraction form
1,149,552,021.60/1,724,328,032.40 = 536,198,248.80/x - Step 3: Cross multiply
1,149,552,021.60x = 1,724,328,032.40 × 536,198,248.80 - Step 4: Simplify right side
1,149,552,021.60x = 924,581,671,329,629,696 - Step 5: Solve for x
x = 924,581,671,329,629,696/1,149,552,021.60 - Step 6: Final answer
x = 804,297,373.20
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Double scale
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Similar ratio
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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.