Finding the Fourth Proportional to 1,166,428,690.84, 1,749,644,720.14 and 476,335,944.81
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Solution
The fourth proportional to 1,166,428,690.84, 1,749,644,720.14 and 476,335,944.81 is: 714,504,604.86
Step by Step Solution
- Step 1: Write the proportion equation
1,166,428,690.84 : 1,749,644,720.14 = 476,335,944.81 : x - Step 2: Convert to fraction form
1,166,428,690.84/1,749,644,720.14 = 476,335,944.81/x - Step 3: Cross multiply
1,166,428,690.84x = 1,749,644,720.14 × 476,335,944.81 - Step 4: Simplify right side
1,166,428,690.84x = 833,418,670,849,714,944 - Step 5: Solve for x
x = 833,418,670,849,714,944/1,166,428,690.84 - Step 6: Final answer
x = 714,504,604.86
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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.