Finding the Fourth Proportional to 473,404,946.99, 653,242,238.94 and 261,683,175.56
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Solution
The fourth proportional to 473,404,946.99, 653,242,238.94 and 261,683,175.56 is: 361,091,502.28
Step by Step Solution
- Step 1: Write the proportion equation
473,404,946.99 : 653,242,238.94 = 261,683,175.56 : x - Step 2: Convert to fraction form
473,404,946.99/653,242,238.94 = 261,683,175.56/x - Step 3: Cross multiply
473,404,946.99x = 653,242,238.94 × 261,683,175.56 - Step 4: Simplify right side
473,404,946.99x = 170,942,503,492,477,312 - Step 5: Solve for x
x = 170,942,503,492,477,312/473,404,946.99 - Step 6: Final answer
x = 361,091,502.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.