Finding the Fourth Proportional to 3,155,894,456.80, 4,733,841,685.20 and 1,316,966,879.20
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Solution
The fourth proportional to 3,155,894,456.80, 4,733,841,685.20 and 1,316,966,879.20 is: 1,975,450,318.80
Step by Step Solution
- Step 1: Write the proportion equation
3,155,894,456.80 : 4,733,841,685.20 = 1,316,966,879.20 : x - Step 2: Convert to fraction form
3,155,894,456.80/4,733,841,685.20 = 1,316,966,879.20/x - Step 3: Cross multiply
3,155,894,456.80x = 4,733,841,685.20 × 1,316,966,879.20 - Step 4: Simplify right side
3,155,894,456.80x = 6,234,312,710,784,712,704 - Step 5: Solve for x
x = 6,234,312,710,784,712,704/3,155,894,456.80 - Step 6: Final answer
x = 1,975,450,318.80
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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.