Finding the Fourth Proportional to 1,032,191,244.80, 1,424,423,289.84 and 568,617,228.80
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Solution
The fourth proportional to 1,032,191,244.80, 1,424,423,289.84 and 568,617,228.80 is: 784,691,429.80
Step by Step Solution
- Step 1: Write the proportion equation
1,032,191,244.80 : 1,424,423,289.84 = 568,617,228.80 : x - Step 2: Convert to fraction form
1,032,191,244.80/1,424,423,289.84 = 568,617,228.80/x - Step 3: Cross multiply
1,032,191,244.80x = 1,424,423,289.84 × 568,617,228.80 - Step 4: Simplify right side
1,032,191,244.80x = 809,951,623,706,999,936 - Step 5: Solve for x
x = 809,951,623,706,999,936/1,032,191,244.80 - Step 6: Final answer
x = 784,691,429.80
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.