Finding the Fourth Proportional to 1,124,730,494,882.80, 1,552,101,682,508.80 and 661,787,518,759.95
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Solution
The fourth proportional to 1,124,730,494,882.80, 1,552,101,682,508.80 and 661,787,518,759.95 is: 913,251,241,967.68
Step by Step Solution
- Step 1: Write the proportion equation
1,124,730,494,882.80 : 1,552,101,682,508.80 = 661,787,518,759.95 : x - Step 2: Convert to fraction form
1,124,730,494,882.80/1,552,101,682,508.80 = 661,787,518,759.95/x - Step 3: Cross multiply
1,124,730,494,882.80x = 1,552,101,682,508.80 × 661,787,518,759.95 - Step 4: Simplify right side
1,124,730,494,882.80x = 1,027,161,521,330,642,390,876,160 - Step 5: Solve for x
x = 1,027,161,521,330,642,390,876,160/1,124,730,494,882.80 - Step 6: Final answer
x = 913,251,241,967.68
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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.