Finding the Fourth Proportional to 5,440,455,965.52, 8,160,656,555.70 and 2,124,607,248.81
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Solution
The fourth proportional to 5,440,455,965.52, 8,160,656,555.70 and 2,124,607,248.81 is: 3,186,900,175.86
Step by Step Solution
- Step 1: Write the proportion equation
5,440,455,965.52 : 8,160,656,555.70 = 2,124,607,248.81 : x - Step 2: Convert to fraction form
5,440,455,965.52/8,160,656,555.70 = 2,124,607,248.81/x - Step 3: Cross multiply
5,440,455,965.52x = 8,160,656,555.70 × 2,124,607,248.81 - Step 4: Simplify right side
5,440,455,965.52x = 17,338,190,073,289,066,496 - Step 5: Solve for x
x = 17,338,190,073,289,066,496/5,440,455,965.52 - Step 6: Final answer
x = 3,186,900,175.86
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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.