Finding the Fourth Proportional to 7,244,916,427.84, 9,998,018,528.16 and 4,115,963,513.92
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Solution
The fourth proportional to 7,244,916,427.84, 9,998,018,528.16 and 4,115,963,513.92 is: 5,680,048,884.38
Step by Step Solution
- Step 1: Write the proportion equation
7,244,916,427.84 : 9,998,018,528.16 = 4,115,963,513.92 : x - Step 2: Convert to fraction form
7,244,916,427.84/9,998,018,528.16 = 4,115,963,513.92/x - Step 3: Cross multiply
7,244,916,427.84x = 9,998,018,528.16 × 4,115,963,513.92 - Step 4: Simplify right side
7,244,916,427.84x = 41,151,479,473,402,699,776 - Step 5: Solve for x
x = 41,151,479,473,402,699,776/7,244,916,427.84 - Step 6: Final answer
x = 5,680,048,884.38
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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.