Finding the Fourth Proportional to 4,778,356,357.56, 6,593,795,051.40 and 2,663,718,763.80
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Solution
The fourth proportional to 4,778,356,357.56, 6,593,795,051.40 and 2,663,718,763.80 is: 3,675,744,186.65
Step by Step Solution
- Step 1: Write the proportion equation
4,778,356,357.56 : 6,593,795,051.40 = 2,663,718,763.80 : x - Step 2: Convert to fraction form
4,778,356,357.56/6,593,795,051.40 = 2,663,718,763.80/x - Step 3: Cross multiply
4,778,356,357.56x = 6,593,795,051.40 × 2,663,718,763.80 - Step 4: Simplify right side
4,778,356,357.56x = 17,564,015,603,065,765,888 - Step 5: Solve for x
x = 17,564,015,603,065,765,888/4,778,356,357.56 - Step 6: Final answer
x = 3,675,744,186.65
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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.