Finding the Fourth Proportional to 317,020,656.26, 475,291,156.35 and 207,873,305.30
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Solution
The fourth proportional to 317,020,656.26, 475,291,156.35 and 207,873,305.30 is: 311,652,700.54
Step by Step Solution
- Step 1: Write the proportion equation
317,020,656.26 : 475,291,156.35 = 207,873,305.30 : x - Step 2: Convert to fraction form
317,020,656.26/475,291,156.35 = 207,873,305.30/x - Step 3: Cross multiply
317,020,656.26x = 475,291,156.35 × 207,873,305.30 - Step 4: Simplify right side
317,020,656.26x = 98,800,343,650,333,600 - Step 5: Solve for x
x = 98,800,343,650,333,600/317,020,656.26 - Step 6: Final answer
x = 311,652,700.54
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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.