Finding the Fourth Proportional to 1,518,700,908.68, 2,095,791,813.08 and 840,519,182.96
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Solution
The fourth proportional to 1,518,700,908.68, 2,095,791,813.08 and 840,519,182.96 is: 1,159,907,926.78
Step by Step Solution
- Step 1: Write the proportion equation
1,518,700,908.68 : 2,095,791,813.08 = 840,519,182.96 : x - Step 2: Convert to fraction form
1,518,700,908.68/2,095,791,813.08 = 840,519,182.96/x - Step 3: Cross multiply
1,518,700,908.68x = 2,095,791,813.08 × 840,519,182.96 - Step 4: Simplify right side
1,518,700,908.68x = 1,761,553,222,377,436,416 - Step 5: Solve for x
x = 1,761,553,222,377,436,416/1,518,700,908.68 - Step 6: Final answer
x = 1,159,907,926.78
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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.