Finding the Fourth Proportional to 5,215,081,569.80, 7,822,622,354.70 and 1,337,688,033.80
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Solution
The fourth proportional to 5,215,081,569.80, 7,822,622,354.70 and 1,337,688,033.80 is: 2,006,532,050.70
Step by Step Solution
- Step 1: Write the proportion equation
5,215,081,569.80 : 7,822,622,354.70 = 1,337,688,033.80 : x - Step 2: Convert to fraction form
5,215,081,569.80/7,822,622,354.70 = 1,337,688,033.80/x - Step 3: Cross multiply
5,215,081,569.80x = 7,822,622,354.70 × 1,337,688,033.80 - Step 4: Simplify right side
5,215,081,569.80x = 10,464,228,316,818,569,216 - Step 5: Solve for x
x = 10,464,228,316,818,569,216/5,215,081,569.80 - Step 6: Final answer
x = 2,006,532,050.70
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1.5x scale
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.