Finding the Fourth Proportional to 648,063,951.84, 894,330,511.65 and 350,706,119.49
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Solution
The fourth proportional to 648,063,951.84, 894,330,511.65 and 350,706,119.49 is: 483,975,666.89
Step by Step Solution
- Step 1: Write the proportion equation
648,063,951.84 : 894,330,511.65 = 350,706,119.49 : x - Step 2: Convert to fraction form
648,063,951.84/894,330,511.65 = 350,706,119.49/x - Step 3: Cross multiply
648,063,951.84x = 894,330,511.65 × 350,706,119.49 - Step 4: Simplify right side
648,063,951.84x = 313,647,183,282,277,760 - Step 5: Solve for x
x = 313,647,183,282,277,760/648,063,951.84 - Step 6: Final answer
x = 483,975,666.89
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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.