Finding the Fourth Proportional to 513,363,635.06, 769,990,863.62 and 144,889,476.98
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Solution
The fourth proportional to 513,363,635.06, 769,990,863.62 and 144,889,476.98 is: 217,318,808.52
Step by Step Solution
- Step 1: Write the proportion equation
513,363,635.06 : 769,990,863.62 = 144,889,476.98 : x - Step 2: Convert to fraction form
513,363,635.06/769,990,863.62 = 144,889,476.98/x - Step 3: Cross multiply
513,363,635.06x = 769,990,863.62 × 144,889,476.98 - Step 4: Simplify right side
513,363,635.06x = 111,563,573,505,792,560 - Step 5: Solve for x
x = 111,563,573,505,792,560/513,363,635.06 - Step 6: Final answer
x = 217,318,808.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.