Finding the Fourth Proportional to 373,319,998.80, 559,979,998.20 and 157,909,246.80
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Solution
The fourth proportional to 373,319,998.80, 559,979,998.20 and 157,909,246.80 is: 236,863,870.20
Step by Step Solution
- Step 1: Write the proportion equation
373,319,998.80 : 559,979,998.20 = 157,909,246.80 : x - Step 2: Convert to fraction form
373,319,998.80/559,979,998.20 = 157,909,246.80/x - Step 3: Cross multiply
373,319,998.80x = 559,979,998.20 × 157,909,246.80 - Step 4: Simplify right side
373,319,998.80x = 88,426,019,738,827,376 - Step 5: Solve for x
x = 88,426,019,738,827,376/373,319,998.80 - Step 6: Final answer
x = 236,863,870.20
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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.