Finding the Fourth Proportional to 1,391,614,474.16, 2,088,934,251.34 and 563,138,502.14
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Solution
The fourth proportional to 1,391,614,474.16, 2,088,934,251.34 and 563,138,502.14 is: 845,319,826.15
Step by Step Solution
- Step 1: Write the proportion equation
1,391,614,474.16 : 2,088,934,251.34 = 563,138,502.14 : x - Step 2: Convert to fraction form
1,391,614,474.16/2,088,934,251.34 = 563,138,502.14/x - Step 3: Cross multiply
1,391,614,474.16x = 2,088,934,251.34 × 563,138,502.14 - Step 4: Simplify right side
1,391,614,474.16x = 1,176,359,305,368,549,888 - Step 5: Solve for x
x = 1,176,359,305,368,549,888/1,391,614,474.16 - Step 6: Final answer
x = 845,319,826.15
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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.