Finding the Fourth Proportional to 1,672,170,230.92, 2,307,464,200.74 and 929,569,073.80
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Solution
The fourth proportional to 1,672,170,230.92, 2,307,464,200.74 and 929,569,073.80 is: 1,282,732,654.99
Step by Step Solution
- Step 1: Write the proportion equation
1,672,170,230.92 : 2,307,464,200.74 = 929,569,073.80 : x - Step 2: Convert to fraction form
1,672,170,230.92/2,307,464,200.74 = 929,569,073.80/x - Step 3: Cross multiply
1,672,170,230.92x = 2,307,464,200.74 × 929,569,073.80 - Step 4: Simplify right side
1,672,170,230.92x = 2,144,947,359,908,538,624 - Step 5: Solve for x
x = 2,144,947,359,908,538,624/1,672,170,230.92 - Step 6: Final answer
x = 1,282,732,654.99
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1.5x scale
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.