Finding the Fourth Proportional to 1,297,134,377.08, 1,945,299,153.37 and 467,980,230.94
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Solution
The fourth proportional to 1,297,134,377.08, 1,945,299,153.37 and 467,980,230.94 is: 701,825,164.09
Step by Step Solution
- Step 1: Write the proportion equation
1,297,134,377.08 : 1,945,299,153.37 = 467,980,230.94 : x - Step 2: Convert to fraction form
1,297,134,377.08/1,945,299,153.37 = 467,980,230.94/x - Step 3: Cross multiply
1,297,134,377.08x = 1,945,299,153.37 × 467,980,230.94 - Step 4: Simplify right side
1,297,134,377.08x = 910,361,547,041,479,040 - Step 5: Solve for x
x = 910,361,547,041,479,040/1,297,134,377.08 - Step 6: Final answer
x = 701,825,164.09
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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.