Finding the Fourth Proportional to 1,139,102,398.84, 1,717,191,397.90 and 1,063,169,493.62
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Solution
The fourth proportional to 1,139,102,398.84, 1,717,191,397.90 and 1,063,169,493.62 is: 1,602,722,907.80
Step by Step Solution
- Step 1: Write the proportion equation
1,139,102,398.84 : 1,717,191,397.90 = 1,063,169,493.62 : x - Step 2: Convert to fraction form
1,139,102,398.84/1,717,191,397.90 = 1,063,169,493.62/x - Step 3: Cross multiply
1,139,102,398.84x = 1,717,191,397.90 × 1,063,169,493.62 - Step 4: Simplify right side
1,139,102,398.84x = 1,825,665,508,953,963,008 - Step 5: Solve for x
x = 1,825,665,508,953,963,008/1,139,102,398.84 - Step 6: Final answer
x = 1,602,722,907.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.