Finding the Fourth Proportional to 752,875,165.80, 1,129,312,748.70 and 235,304,775.90
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Solution
The fourth proportional to 752,875,165.80, 1,129,312,748.70 and 235,304,775.90 is: 352,957,163.85
Step by Step Solution
- Step 1: Write the proportion equation
752,875,165.80 : 1,129,312,748.70 = 235,304,775.90 : x - Step 2: Convert to fraction form
752,875,165.80/1,129,312,748.70 = 235,304,775.90/x - Step 3: Cross multiply
752,875,165.80x = 1,129,312,748.70 × 235,304,775.90 - Step 4: Simplify right side
752,875,165.80x = 265,732,683,253,866,528 - Step 5: Solve for x
x = 265,732,683,253,866,528/752,875,165.80 - Step 6: Final answer
x = 352,957,163.85
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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.