Finding the Fourth Proportional to 434,486,962.80, 652,486,271.40 and 230,413,618.80
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Solution
The fourth proportional to 434,486,962.80, 652,486,271.40 and 230,413,618.80 is: 346,021,252.38
Step by Step Solution
- Step 1: Write the proportion equation
434,486,962.80 : 652,486,271.40 = 230,413,618.80 : x - Step 2: Convert to fraction form
434,486,962.80/652,486,271.40 = 230,413,618.80/x - Step 3: Cross multiply
434,486,962.80x = 652,486,271.40 × 230,413,618.80 - Step 4: Simplify right side
434,486,962.80x = 150,341,723,010,592,960 - Step 5: Solve for x
x = 150,341,723,010,592,960/434,486,962.80 - Step 6: Final answer
x = 346,021,252.38
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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.