Finding the Fourth Proportional to 532,387,807.60, 734,681,639.35 and 297,440,232.63
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Solution
The fourth proportional to 532,387,807.60, 734,681,639.35 and 297,440,232.63 is: 410,459,959.07
Step by Step Solution
- Step 1: Write the proportion equation
532,387,807.60 : 734,681,639.35 = 297,440,232.63 : x - Step 2: Convert to fraction form
532,387,807.60/734,681,639.35 = 297,440,232.63/x - Step 3: Cross multiply
532,387,807.60x = 734,681,639.35 × 297,440,232.63 - Step 4: Simplify right side
532,387,807.60x = 218,523,877,717,253,760 - Step 5: Solve for x
x = 218,523,877,717,253,760/532,387,807.60 - Step 6: Final answer
x = 410,459,959.07
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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.