Finding the Fourth Proportional to 757,017,323.68, 1,135,650,580.08 and 232,373,257.12
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Solution
The fourth proportional to 757,017,323.68, 1,135,650,580.08 and 232,373,257.12 is: 348,598,131.10
Step by Step Solution
- Step 1: Write the proportion equation
757,017,323.68 : 1,135,650,580.08 = 232,373,257.12 : x - Step 2: Convert to fraction form
757,017,323.68/1,135,650,580.08 = 232,373,257.12/x - Step 3: Cross multiply
757,017,323.68x = 1,135,650,580.08 × 232,373,257.12 - Step 4: Simplify right side
757,017,323.68x = 263,894,824,243,406,976 - Step 5: Solve for x
x = 263,894,824,243,406,976/757,017,323.68 - Step 6: Final answer
x = 348,598,131.10
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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.