Finding the Fourth Proportional to 1,014,921,267.70, 1,400,566,350.16 and 562,796,736.70
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Solution
The fourth proportional to 1,014,921,267.70, 1,400,566,350.16 and 562,796,736.70 is: 776,645,633.98
Step by Step Solution
- Step 1: Write the proportion equation
1,014,921,267.70 : 1,400,566,350.16 = 562,796,736.70 : x - Step 2: Convert to fraction form
1,014,921,267.70/1,400,566,350.16 = 562,796,736.70/x - Step 3: Cross multiply
1,014,921,267.70x = 1,400,566,350.16 × 562,796,736.70 - Step 4: Simplify right side
1,014,921,267.70x = 788,234,171,392,060,800 - Step 5: Solve for x
x = 788,234,171,392,060,800/1,014,921,267.70 - Step 6: Final answer
x = 776,645,633.98
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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.