Finding the Fourth Proportional to 615,958,622.76, 923,937,934.14 and 207,014,773.80
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Solution
The fourth proportional to 615,958,622.76, 923,937,934.14 and 207,014,773.80 is: 310,522,160.70
Step by Step Solution
- Step 1: Write the proportion equation
615,958,622.76 : 923,937,934.14 = 207,014,773.80 : x - Step 2: Convert to fraction form
615,958,622.76/923,937,934.14 = 207,014,773.80/x - Step 3: Cross multiply
615,958,622.76x = 923,937,934.14 × 207,014,773.80 - Step 4: Simplify right side
615,958,622.76x = 191,268,802,441,231,392 - Step 5: Solve for x
x = 191,268,802,441,231,392/615,958,622.76 - Step 6: Final answer
x = 310,522,160.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.