Finding the Fourth Proportional to 497,664,234.70, 746,496,352.05 and 152,615,121.10
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Solution
The fourth proportional to 497,664,234.70, 746,496,352.05 and 152,615,121.10 is: 228,922,681.65
Step by Step Solution
- Step 1: Write the proportion equation
497,664,234.70 : 746,496,352.05 = 152,615,121.10 : x - Step 2: Convert to fraction form
497,664,234.70/746,496,352.05 = 152,615,121.10/x - Step 3: Cross multiply
497,664,234.70x = 746,496,352.05 × 152,615,121.10 - Step 4: Simplify right side
497,664,234.70x = 113,926,631,168,818,976 - Step 5: Solve for x
x = 113,926,631,168,818,976/497,664,234.70 - Step 6: Final answer
x = 228,922,681.65
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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.