Finding the Fourth Proportional to 48,228,970,149.92, 72,351,697,068.12 and 19,883,406,527.84
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Solution
The fourth proportional to 48,228,970,149.92, 72,351,697,068.12 and 19,883,406,527.84 is: 29,828,507,664.85
Step by Step Solution
- Step 1: Write the proportion equation
48,228,970,149.92 : 72,351,697,068.12 = 19,883,406,527.84 : x - Step 2: Convert to fraction form
48,228,970,149.92/72,351,697,068.12 = 19,883,406,527.84/x - Step 3: Cross multiply
48,228,970,149.92x = 72,351,697,068.12 × 19,883,406,527.84 - Step 4: Simplify right side
48,228,970,149.92x = 1,438,598,205,784,559,190,016 - Step 5: Solve for x
x = 1,438,598,205,784,559,190,016/48,228,970,149.92 - Step 6: Final answer
x = 29,828,507,664.85
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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.