Finding the Fourth Proportional to 1,520,305,925.24, 2,279,627,557 and 1,207,183,358.03
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Solution
The fourth proportional to 1,520,305,925.24, 2,279,627,557 and 1,207,183,358.03 is: 1,810,114,927.29
Step by Step Solution
- Step 1: Write the proportion equation
1,520,305,925.24 : 2,279,627,557 = 1,207,183,358.03 : x - Step 2: Convert to fraction form
1,520,305,925.24/2,279,627,557 = 1,207,183,358.03/x - Step 3: Cross multiply
1,520,305,925.24x = 2,279,627,557 × 1,207,183,358.03 - Step 4: Simplify right side
1,520,305,925.24x = 2,751,928,449,316,985,344 - Step 5: Solve for x
x = 2,751,928,449,316,985,344/1,520,305,925.24 - Step 6: Final answer
x = 1,810,114,927.29
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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.