Finding the Fourth Proportional to 972,852,863.87, 1,460,735,444.08 and 842,100,663.17
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Solution
The fourth proportional to 972,852,863.87, 1,460,735,444.08 and 842,100,663.17 is: 1,264,411,435.54
Step by Step Solution
- Step 1: Write the proportion equation
972,852,863.87 : 1,460,735,444.08 = 842,100,663.17 : x - Step 2: Convert to fraction form
972,852,863.87/1,460,735,444.08 = 842,100,663.17/x - Step 3: Cross multiply
972,852,863.87x = 1,460,735,444.08 × 842,100,663.17 - Step 4: Simplify right side
972,852,863.87x = 1,230,086,286,176,477,184 - Step 5: Solve for x
x = 1,230,086,286,176,477,184/972,852,863.87 - Step 6: Final answer
x = 1,264,411,435.54
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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.