Finding the Fourth Proportional to 11,868,803,682.84, 16,378,981,312.56 and 6,516,710,703.24
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Solution
The fourth proportional to 11,868,803,682.84, 16,378,981,312.56 and 6,516,710,703.24 is: 8,993,078,466.88
Step by Step Solution
- Step 1: Write the proportion equation
11,868,803,682.84 : 16,378,981,312.56 = 6,516,710,703.24 : x - Step 2: Convert to fraction form
11,868,803,682.84/16,378,981,312.56 = 6,516,710,703.24/x - Step 3: Cross multiply
11,868,803,682.84x = 16,378,981,312.56 × 6,516,710,703.24 - Step 4: Simplify right side
11,868,803,682.84x = 106,737,082,827,727,683,584 - Step 5: Solve for x
x = 106,737,082,827,727,683,584/11,868,803,682.84 - Step 6: Final answer
x = 8,993,078,466.88
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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.