Finding the Fourth Proportional to 4,233,043,457, 6,349,154,894.64 and 1,285,348,985.50
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Solution
The fourth proportional to 4,233,043,457, 6,349,154,894.64 and 1,285,348,985.50 is: 1,927,898,894.85
Step by Step Solution
- Step 1: Write the proportion equation
4,233,043,457 : 6,349,154,894.64 = 1,285,348,985.50 : x - Step 2: Convert to fraction form
4,233,043,457/6,349,154,894.64 = 1,285,348,985.50/x - Step 3: Cross multiply
4,233,043,457x = 6,349,154,894.64 × 1,285,348,985.50 - Step 4: Simplify right side
4,233,043,457x = 8,160,879,802,607,884,288 - Step 5: Solve for x
x = 8,160,879,802,607,884,288/4,233,043,457 - Step 6: Final answer
x = 1,927,898,894.85
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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.