Finding the Fourth Proportional to 752,148,360.99, 1,127,629,178.69 and 475,215,860.70
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Solution
The fourth proportional to 752,148,360.99, 1,127,629,178.69 and 475,215,860.70 is: 712,448,897.71
Step by Step Solution
- Step 1: Write the proportion equation
752,148,360.99 : 1,127,629,178.69 = 475,215,860.70 : x - Step 2: Convert to fraction form
752,148,360.99/1,127,629,178.69 = 475,215,860.70/x - Step 3: Cross multiply
752,148,360.99x = 1,127,629,178.69 × 475,215,860.70 - Step 4: Simplify right side
752,148,360.99x = 535,867,270,699,226,304 - Step 5: Solve for x
x = 535,867,270,699,226,304/752,148,360.99 - Step 6: Final answer
x = 712,448,897.71
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1.5x scale
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.