Finding the Fourth Proportional to 288,598,354.17, 433,046,363.90 and 135,259,988.73
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Solution
The fourth proportional to 288,598,354.17, 433,046,363.90 and 135,259,988.73 is: 202,959,737.83
Step by Step Solution
- Step 1: Write the proportion equation
288,598,354.17 : 433,046,363.90 = 135,259,988.73 : x - Step 2: Convert to fraction form
288,598,354.17/433,046,363.90 = 135,259,988.73/x - Step 3: Cross multiply
288,598,354.17x = 433,046,363.90 × 135,259,988.73 - Step 4: Simplify right side
288,598,354.17x = 58,573,846,300,005,168 - Step 5: Solve for x
x = 58,573,846,300,005,168/288,598,354.17 - Step 6: Final answer
x = 202,959,737.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.