Finding the Fourth Proportional to 2,372,780,885.42, 3,556,679,868.44 and 798,341,587.62
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Solution
The fourth proportional to 2,372,780,885.42, 3,556,679,868.44 and 798,341,587.62 is: 1,196,674,109.39
Step by Step Solution
- Step 1: Write the proportion equation
2,372,780,885.42 : 3,556,679,868.44 = 798,341,587.62 : x - Step 2: Convert to fraction form
2,372,780,885.42/3,556,679,868.44 = 798,341,587.62/x - Step 3: Cross multiply
2,372,780,885.42x = 3,556,679,868.44 × 798,341,587.62 - Step 4: Simplify right side
2,372,780,885.42x = 2,839,445,452,826,482,176 - Step 5: Solve for x
x = 2,839,445,452,826,482,176/2,372,780,885.42 - Step 6: Final answer
x = 1,196,674,109.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.