Finding the Fourth Proportional to 648,063,952.84, 894,330,513.03 and 350,706,120.49
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Solution
The fourth proportional to 648,063,952.84, 894,330,513.03 and 350,706,120.49 is: 483,975,668.27
Step by Step Solution
- Step 1: Write the proportion equation
648,063,952.84 : 894,330,513.03 = 350,706,120.49 : x - Step 2: Convert to fraction form
648,063,952.84/894,330,513.03 = 350,706,120.49/x - Step 3: Cross multiply
648,063,952.84x = 894,330,513.03 × 350,706,120.49 - Step 4: Simplify right side
648,063,952.84x = 313,647,184,660,582,720 - Step 5: Solve for x
x = 313,647,184,660,582,720/648,063,952.84 - Step 6: Final answer
x = 483,975,668.27
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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.