Finding the Fourth Proportional to 435,408,274.84, 600,863,451.78 and 239,837,986.84
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Solution
The fourth proportional to 435,408,274.84, 600,863,451.78 and 239,837,986.84 is: 330,976,439.74
Step by Step Solution
- Step 1: Write the proportion equation
435,408,274.84 : 600,863,451.78 = 239,837,986.84 : x - Step 2: Convert to fraction form
435,408,274.84/600,863,451.78 = 239,837,986.84/x - Step 3: Cross multiply
435,408,274.84x = 600,863,451.78 × 239,837,986.84 - Step 4: Simplify right side
435,408,274.84x = 144,109,880,640,648,608 - Step 5: Solve for x
x = 144,109,880,640,648,608/435,408,274.84 - Step 6: Final answer
x = 330,976,439.74
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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.