Finding the Fourth Proportional to 497,664,739.20, 746,497,108.80 and 152,615,625.60
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Solution
The fourth proportional to 497,664,739.20, 746,497,108.80 and 152,615,625.60 is: 228,923,438.40
Step by Step Solution
- Step 1: Write the proportion equation
497,664,739.20 : 746,497,108.80 = 152,615,625.60 : x - Step 2: Convert to fraction form
497,664,739.20/746,497,108.80 = 152,615,625.60/x - Step 3: Cross multiply
497,664,739.20x = 746,497,108.80 × 152,615,625.60 - Step 4: Simplify right side
497,664,739.20x = 113,927,123,268,103,248 - Step 5: Solve for x
x = 113,927,123,268,103,248/497,664,739.20 - Step 6: Final answer
x = 228,923,438.40
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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.