Finding the Fourth Proportional to 1,700,750,952.38, 2,347,036,294.78 and 918,469,800.38
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Solution
The fourth proportional to 1,700,750,952.38, 2,347,036,294.78 and 918,469,800.38 is: 1,267,488,313.99
Step by Step Solution
- Step 1: Write the proportion equation
1,700,750,952.38 : 2,347,036,294.78 = 918,469,800.38 : x - Step 2: Convert to fraction form
1,700,750,952.38/2,347,036,294.78 = 918,469,800.38/x - Step 3: Cross multiply
1,700,750,952.38x = 2,347,036,294.78 × 918,469,800.38 - Step 4: Simplify right side
1,700,750,952.38x = 2,155,681,957,151,201,536 - Step 5: Solve for x
x = 2,155,681,957,151,201,536/1,700,750,952.38 - Step 6: Final answer
x = 1,267,488,313.99
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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.