Finding the Fourth Proportional to 5,171,432,263.12, 7,758,237,840.92 and 1,677,564,927.28
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Solution
The fourth proportional to 5,171,432,263.12, 7,758,237,840.92 and 1,677,564,927.28 is: 2,516,700,797.23
Step by Step Solution
- Step 1: Write the proportion equation
5,171,432,263.12 : 7,758,237,840.92 = 1,677,564,927.28 : x - Step 2: Convert to fraction form
5,171,432,263.12/7,758,237,840.92 = 1,677,564,927.28/x - Step 3: Cross multiply
5,171,432,263.12x = 7,758,237,840.92 × 1,677,564,927.28 - Step 4: Simplify right side
5,171,432,263.12x = 13,014,947,699,423,903,744 - Step 5: Solve for x
x = 13,014,947,699,423,903,744/5,171,432,263.12 - Step 6: Final answer
x = 2,516,700,797.23
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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.