Finding the Fourth Proportional to 79,615,062,938.82, 119,423,040,850.66 and 26,555,950,402.76
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Solution
The fourth proportional to 79,615,062,938.82, 119,423,040,850.66 and 26,555,950,402.76 is: 39,834,074,516.95
Step by Step Solution
- Step 1: Write the proportion equation
79,615,062,938.82 : 119,423,040,850.66 = 26,555,950,402.76 : x - Step 2: Convert to fraction form
79,615,062,938.82/119,423,040,850.66 = 26,555,950,402.76/x - Step 3: Cross multiply
79,615,062,938.82x = 119,423,040,850.66 × 26,555,950,402.76 - Step 4: Simplify right side
79,615,062,938.82x = 3,171,392,349,776,908,386,304 - Step 5: Solve for x
x = 3,171,392,349,776,908,386,304/79,615,062,938.82 - Step 6: Final answer
x = 39,834,074,516.95
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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.