Finding the Fourth Proportional to 1,119,744,110.40, 1,679,616,165.60 and 829,506,465.60
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Solution
The fourth proportional to 1,119,744,110.40, 1,679,616,165.60 and 829,506,465.60 is: 1,244,259,698.40
Step by Step Solution
- Step 1: Write the proportion equation
1,119,744,110.40 : 1,679,616,165.60 = 829,506,465.60 : x - Step 2: Convert to fraction form
1,119,744,110.40/1,679,616,165.60 = 829,506,465.60/x - Step 3: Cross multiply
1,119,744,110.40x = 1,679,616,165.60 × 829,506,465.60 - Step 4: Simplify right side
1,119,744,110.40x = 1,393,252,469,091,480,320 - Step 5: Solve for x
x = 1,393,252,469,091,480,320/1,119,744,110.40 - Step 6: Final answer
x = 1,244,259,698.40
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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.