Finding the Fourth Proportional to 832,181,493.84, 1,248,451,134.68 and 241,981,988.84
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Solution
The fourth proportional to 832,181,493.84, 1,248,451,134.68 and 241,981,988.84 is: 363,025,002.09
Step by Step Solution
- Step 1: Write the proportion equation
832,181,493.84 : 1,248,451,134.68 = 241,981,988.84 : x - Step 2: Convert to fraction form
832,181,493.84/1,248,451,134.68 = 241,981,988.84/x - Step 3: Cross multiply
832,181,493.84x = 1,248,451,134.68 × 241,981,988.84 - Step 4: Simplify right side
832,181,493.84x = 302,102,688,539,421,120 - Step 5: Solve for x
x = 302,102,688,539,421,120/832,181,493.84 - Step 6: Final answer
x = 363,025,002.09
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Double scale
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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.