Finding the Fourth Proportional to 319,124,706,412.05, 440,388,829,674.06 and 176,554,986,826.77
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Solution
The fourth proportional to 319,124,706,412.05, 440,388,829,674.06 and 176,554,986,826.77 is: 243,644,075,370.86
Step by Step Solution
- Step 1: Write the proportion equation
319,124,706,412.05 : 440,388,829,674.06 = 176,554,986,826.77 : x - Step 2: Convert to fraction form
319,124,706,412.05/440,388,829,674.06 = 176,554,986,826.77/x - Step 3: Cross multiply
319,124,706,412.05x = 440,388,829,674.06 × 176,554,986,826.77 - Step 4: Simplify right side
319,124,706,412.05x = 77,752,844,021,760,312,475,648 - Step 5: Solve for x
x = 77,752,844,021,760,312,475,648/319,124,706,412.05 - Step 6: Final answer
x = 243,644,075,370.86
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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.