Finding the Fourth Proportional to 1,745,421,920.42, 2,408,733,117.17 and 952,518,971.42
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Solution
The fourth proportional to 1,745,421,920.42, 2,408,733,117.17 and 952,518,971.42 is: 1,314,503,939.90
Step by Step Solution
- Step 1: Write the proportion equation
1,745,421,920.42 : 2,408,733,117.17 = 952,518,971.42 : x - Step 2: Convert to fraction form
1,745,421,920.42/2,408,733,117.17 = 952,518,971.42/x - Step 3: Cross multiply
1,745,421,920.42x = 2,408,733,117.17 × 952,518,971.42 - Step 4: Simplify right side
1,745,421,920.42x = 2,294,363,991,175,252,480 - Step 5: Solve for x
x = 2,294,363,991,175,252,480/1,745,421,920.42 - Step 6: Final answer
x = 1,314,503,939.90
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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.