Finding the Fourth Proportional to 503,972,344.20, 695,484,807.59 and 292,405,148.70
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Solution
The fourth proportional to 503,972,344.20, 695,484,807.59 and 292,405,148.70 is: 403,520,829.90
Step by Step Solution
- Step 1: Write the proportion equation
503,972,344.20 : 695,484,807.59 = 292,405,148.70 : x - Step 2: Convert to fraction form
503,972,344.20/695,484,807.59 = 292,405,148.70/x - Step 3: Cross multiply
503,972,344.20x = 695,484,807.59 × 292,405,148.70 - Step 4: Simplify right side
503,972,344.20x = 203,363,338,580,482,816 - Step 5: Solve for x
x = 203,363,338,580,482,816/503,972,344.20 - Step 6: Final answer
x = 403,520,829.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.