Finding the Fourth Proportional to 1,439,508,186.48, 2,160,264,645.28 and 506,906,152.91
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Solution
The fourth proportional to 1,439,508,186.48, 2,160,264,645.28 and 506,906,152.91 is: 760,712,200.79
Step by Step Solution
- Step 1: Write the proportion equation
1,439,508,186.48 : 2,160,264,645.28 = 506,906,152.91 : x - Step 2: Convert to fraction form
1,439,508,186.48/2,160,264,645.28 = 506,906,152.91/x - Step 3: Cross multiply
1,439,508,186.48x = 2,160,264,645.28 × 506,906,152.91 - Step 4: Simplify right side
1,439,508,186.48x = 1,095,051,440,595,569,280 - Step 5: Solve for x
x = 1,095,051,440,595,569,280/1,439,508,186.48 - Step 6: Final answer
x = 760,712,200.79
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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.