Finding the Fourth Proportional to 1,227,664,142.35, 1,842,807,126.17 and 528,502,324.75
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Solution
The fourth proportional to 1,227,664,142.35, 1,842,807,126.17 and 528,502,324.75 is: 793,317,827.45
Step by Step Solution
- Step 1: Write the proportion equation
1,227,664,142.35 : 1,842,807,126.17 = 528,502,324.75 : x - Step 2: Convert to fraction form
1,227,664,142.35/1,842,807,126.17 = 528,502,324.75/x - Step 3: Cross multiply
1,227,664,142.35x = 1,842,807,126.17 × 528,502,324.75 - Step 4: Simplify right side
1,227,664,142.35x = 973,927,850,246,711,552 - Step 5: Solve for x
x = 973,927,850,246,711,552/1,227,664,142.35 - Step 6: Final answer
x = 793,317,827.45
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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.