Finding the Fourth Proportional to 1,214,267,957.73, 1,675,690,342.30 and 657,351,004.79
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Solution
The fourth proportional to 1,214,267,957.73, 1,675,690,342.30 and 657,351,004.79 is: 907,144,690.11
Step by Step Solution
- Step 1: Write the proportion equation
1,214,267,957.73 : 1,675,690,342.30 = 657,351,004.79 : x - Step 2: Convert to fraction form
1,214,267,957.73/1,675,690,342.30 = 657,351,004.79/x - Step 3: Cross multiply
1,214,267,957.73x = 1,675,690,342.30 × 657,351,004.79 - Step 4: Simplify right side
1,214,267,957.73x = 1,101,516,730,227,803,904 - Step 5: Solve for x
x = 1,101,516,730,227,803,904/1,214,267,957.73 - Step 6: Final answer
x = 907,144,690.11
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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.