Finding the Fourth Proportional to 353,537,809.80, 530,306,714.70 and 353,537,809.80
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Solution
The fourth proportional to 353,537,809.80, 530,306,714.70 and 353,537,809.80 is: 530,306,714.70
Step by Step Solution
- Step 1: Write the proportion equation
353,537,809.80 : 530,306,714.70 = 353,537,809.80 : x - Step 2: Convert to fraction form
353,537,809.80/530,306,714.70 = 353,537,809.80/x - Step 3: Cross multiply
353,537,809.80x = 530,306,714.70 × 353,537,809.80 - Step 4: Simplify right side
353,537,809.80x = 187,483,474,437,271,456 - Step 5: Solve for x
x = 187,483,474,437,271,456/353,537,809.80 - Step 6: Final answer
x = 530,306,714.70
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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.