Finding the Fourth Proportional to 2,031,408,620.46, 2,800,510,110.81 and 1,362,473,204.94
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Solution
The fourth proportional to 2,031,408,620.46, 2,800,510,110.81 and 1,362,473,204.94 is: 1,878,312,392.55
Step by Step Solution
- Step 1: Write the proportion equation
2,031,408,620.46 : 2,800,510,110.81 = 1,362,473,204.94 : x - Step 2: Convert to fraction form
2,031,408,620.46/2,800,510,110.81 = 1,362,473,204.94/x - Step 3: Cross multiply
2,031,408,620.46x = 2,800,510,110.81 × 1,362,473,204.94 - Step 4: Simplify right side
2,031,408,620.46x = 3,815,619,986,142,175,232 - Step 5: Solve for x
x = 3,815,619,986,142,175,232/2,031,408,620.46 - Step 6: Final answer
x = 1,878,312,392.55
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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.