Finding the Fourth Proportional to 579,130,027,320.05, 799,199,568,153.23 and 318,707,736,497.23
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Solution
The fourth proportional to 579,130,027,320.05, 799,199,568,153.23 and 318,707,736,497.23 is: 439,816,748,156.48
Step by Step Solution
- Step 1: Write the proportion equation
579,130,027,320.05 : 799,199,568,153.23 = 318,707,736,497.23 : x - Step 2: Convert to fraction form
579,130,027,320.05/799,199,568,153.23 = 318,707,736,497.23/x - Step 3: Cross multiply
579,130,027,320.05x = 799,199,568,153.23 × 318,707,736,497.23 - Step 4: Simplify right side
579,130,027,320.05x = 254,711,085,375,679,625,166,848 - Step 5: Solve for x
x = 254,711,085,375,679,625,166,848/579,130,027,320.05 - Step 6: Final answer
x = 439,816,748,156.48
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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.