Finding the Fourth Proportional to 9,911,351,319.04, 14,867,184,624 and 5,517,697,012.48
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Solution
The fourth proportional to 9,911,351,319.04, 14,867,184,624 and 5,517,697,012.48 is: 8,276,633,280.70
Step by Step Solution
- Step 1: Write the proportion equation
9,911,351,319.04 : 14,867,184,624 = 5,517,697,012.48 : x - Step 2: Convert to fraction form
9,911,351,319.04/14,867,184,624 = 5,517,697,012.48/x - Step 3: Cross multiply
9,911,351,319.04x = 14,867,184,624 × 5,517,697,012.48 - Step 4: Simplify right side
9,911,351,319.04x = 82,032,620,183,833,378,816 - Step 5: Solve for x
x = 82,032,620,183,833,378,816/9,911,351,319.04 - Step 6: Final answer
x = 8,276,633,280.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.