Finding the Fourth Proportional to 1,572,048,194.40, 2,358,072,291.60 and 1,209,251,138.40
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Solution
The fourth proportional to 1,572,048,194.40, 2,358,072,291.60 and 1,209,251,138.40 is: 1,813,876,707.60
Step by Step Solution
- Step 1: Write the proportion equation
1,572,048,194.40 : 2,358,072,291.60 = 1,209,251,138.40 : x - Step 2: Convert to fraction form
1,572,048,194.40/2,358,072,291.60 = 1,209,251,138.40/x - Step 3: Cross multiply
1,572,048,194.40x = 2,358,072,291.60 × 1,209,251,138.40 - Step 4: Simplify right side
1,572,048,194.40x = 2,851,501,603,046,796,800 - Step 5: Solve for x
x = 2,851,501,603,046,796,800/1,572,048,194.40 - Step 6: Final answer
x = 1,813,876,707.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.