Finding the Fourth Proportional to 460,643,353.97, 690,965,030.96 and 153,935,466.84
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Solution
The fourth proportional to 460,643,353.97, 690,965,030.96 and 153,935,466.84 is: 230,903,200.26
Step by Step Solution
- Step 1: Write the proportion equation
460,643,353.97 : 690,965,030.96 = 153,935,466.84 : x - Step 2: Convert to fraction form
460,643,353.97/690,965,030.96 = 153,935,466.84/x - Step 3: Cross multiply
460,643,353.97x = 690,965,030.96 × 153,935,466.84 - Step 4: Simplify right side
460,643,353.97x = 106,364,024,610,172,992 - Step 5: Solve for x
x = 106,364,024,610,172,992/460,643,353.97 - Step 6: Final answer
x = 230,903,200.26
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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.