Finding the Fourth Proportional to 564,247,134.58, 778,639,713.47 and 313,367,687.15
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Solution
The fourth proportional to 564,247,134.58, 778,639,713.47 and 313,367,687.15 is: 432,435,560.90
Step by Step Solution
- Step 1: Write the proportion equation
564,247,134.58 : 778,639,713.47 = 313,367,687.15 : x - Step 2: Convert to fraction form
564,247,134.58/778,639,713.47 = 313,367,687.15/x - Step 3: Cross multiply
564,247,134.58x = 778,639,713.47 × 313,367,687.15 - Step 4: Simplify right side
564,247,134.58x = 244,000,526,128,947,680 - Step 5: Solve for x
x = 244,000,526,128,947,680/564,247,134.58 - Step 6: Final answer
x = 432,435,560.90
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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.