Finding the Fourth Proportional to 3,066,413,863.80, 4,599,620,795.70 and 1,320,453,031.80
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Solution
The fourth proportional to 3,066,413,863.80, 4,599,620,795.70 and 1,320,453,031.80 is: 1,980,679,547.70
Step by Step Solution
- Step 1: Write the proportion equation
3,066,413,863.80 : 4,599,620,795.70 = 1,320,453,031.80 : x - Step 2: Convert to fraction form
3,066,413,863.80/4,599,620,795.70 = 1,320,453,031.80/x - Step 3: Cross multiply
3,066,413,863.80x = 4,599,620,795.70 × 1,320,453,031.80 - Step 4: Simplify right side
3,066,413,863.80x = 6,073,583,224,812,392,448 - Step 5: Solve for x
x = 6,073,583,224,812,392,448/3,066,413,863.80 - Step 6: Final answer
x = 1,980,679,547.70
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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.