Finding the Fourth Proportional to 386,086,684,880.03, 532,799,712,102.15 and 212,471,824,331.49
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Solution
The fourth proportional to 386,086,684,880.03, 532,799,712,102.15 and 212,471,824,331.49 is: 293,211,165,437.66
Step by Step Solution
- Step 1: Write the proportion equation
386,086,684,880.03 : 532,799,712,102.15 = 212,471,824,331.49 : x - Step 2: Convert to fraction form
386,086,684,880.03/532,799,712,102.15 = 212,471,824,331.49/x - Step 3: Cross multiply
386,086,684,880.03x = 532,799,712,102.15 × 212,471,824,331.49 - Step 4: Simplify right side
386,086,684,880.03x = 113,204,926,833,636,453,384,192 - Step 5: Solve for x
x = 113,204,926,833,636,453,384,192/386,086,684,880.03 - Step 6: Final answer
x = 293,211,165,437.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.