Finding the Fourth Proportional to 7,110,386,892.18, 9,812,333,070.48 and 4,252,528,664.12
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Solution
The fourth proportional to 7,110,386,892.18, 9,812,333,070.48 and 4,252,528,664.12 is: 5,868,489,053.67
Step by Step Solution
- Step 1: Write the proportion equation
7,110,386,892.18 : 9,812,333,070.48 = 4,252,528,664.12 : x - Step 2: Convert to fraction form
7,110,386,892.18/9,812,333,070.48 = 4,252,528,664.12/x - Step 3: Cross multiply
7,110,386,892.18x = 9,812,333,070.48 × 4,252,528,664.12 - Step 4: Simplify right side
7,110,386,892.18x = 41,727,227,644,108,808,192 - Step 5: Solve for x
x = 41,727,227,644,108,808,192/7,110,386,892.18 - Step 6: Final answer
x = 5,868,489,053.67
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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.