Finding the Fourth Proportional to 3,155,894,562.80, 4,733,841,844.20 and 1,316,966,985.20
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Solution
The fourth proportional to 3,155,894,562.80, 4,733,841,844.20 and 1,316,966,985.20 is: 1,975,450,477.80
Step by Step Solution
- Step 1: Write the proportion equation
3,155,894,562.80 : 4,733,841,844.20 = 1,316,966,985.20 : x - Step 2: Convert to fraction form
3,155,894,562.80/4,733,841,844.20 = 1,316,966,985.20/x - Step 3: Cross multiply
3,155,894,562.80x = 4,733,841,844.20 × 1,316,966,985.20 - Step 4: Simplify right side
3,155,894,562.80x = 6,234,313,421,969,682,432 - Step 5: Solve for x
x = 6,234,313,421,969,682,432/3,155,894,562.80 - Step 6: Final answer
x = 1,975,450,477.80
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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.