Finding the Fourth Proportional to 472,818,327,545.05, 652,489,921,242.12 and 256,044,895,934.03
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Solution
The fourth proportional to 472,818,327,545.05, 652,489,921,242.12 and 256,044,895,934.03 is: 353,342,297,135.31
Step by Step Solution
- Step 1: Write the proportion equation
472,818,327,545.05 : 652,489,921,242.12 = 256,044,895,934.03 : x - Step 2: Convert to fraction form
472,818,327,545.05/652,489,921,242.12 = 256,044,895,934.03/x - Step 3: Cross multiply
472,818,327,545.05x = 652,489,921,242.12 × 256,044,895,934.03 - Step 4: Simplify right side
472,818,327,545.05x = 167,066,713,982,442,043,080,704 - Step 5: Solve for x
x = 167,066,713,982,442,043,080,704/472,818,327,545.05 - Step 6: Final answer
x = 353,342,297,135.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.