Finding the Fourth Proportional to 212,306,861,246.43, 318,461,482,396.12 and 70,815,894,482.34
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Solution
The fourth proportional to 212,306,861,246.43, 318,461,482,396.12 and 70,815,894,482.34 is: 106,224,238,828.89
Step by Step Solution
- Step 1: Write the proportion equation
212,306,861,246.43 : 318,461,482,396.12 = 70,815,894,482.34 : x - Step 2: Convert to fraction form
212,306,861,246.43/318,461,482,396.12 = 70,815,894,482.34/x - Step 3: Cross multiply
212,306,861,246.43x = 318,461,482,396.12 × 70,815,894,482.34 - Step 4: Simplify right side
212,306,861,246.43x = 22,552,134,734,053,208,227,840 - Step 5: Solve for x
x = 22,552,134,734,053,208,227,840/212,306,861,246.43 - Step 6: Final answer
x = 106,224,238,828.89
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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.