Finding the Fourth Proportional to 1,424,238,215.18, 2,136,163,383.05 and 374,888,547.99
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Solution
The fourth proportional to 1,424,238,215.18, 2,136,163,383.05 and 374,888,547.99 is: 562,281,773.10
Step by Step Solution
- Step 1: Write the proportion equation
1,424,238,215.18 : 2,136,163,383.05 = 374,888,547.99 : x - Step 2: Convert to fraction form
1,424,238,215.18/2,136,163,383.05 = 374,888,547.99/x - Step 3: Cross multiply
1,424,238,215.18x = 2,136,163,383.05 × 374,888,547.99 - Step 4: Simplify right side
1,424,238,215.18x = 800,823,188,939,146,240 - Step 5: Solve for x
x = 800,823,188,939,146,240/1,424,238,215.18 - Step 6: Final answer
x = 562,281,773.10
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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.