Finding the Fourth Proportional to 489,933,829.80, 734,900,744.70 and 166,817,701.80
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Solution
The fourth proportional to 489,933,829.80, 734,900,744.70 and 166,817,701.80 is: 250,226,552.70
Step by Step Solution
- Step 1: Write the proportion equation
489,933,829.80 : 734,900,744.70 = 166,817,701.80 : x - Step 2: Convert to fraction form
489,933,829.80/734,900,744.70 = 166,817,701.80/x - Step 3: Cross multiply
489,933,829.80x = 734,900,744.70 × 166,817,701.80 - Step 4: Simplify right side
489,933,829.80x = 122,594,453,281,962,544 - Step 5: Solve for x
x = 122,594,453,281,962,544/489,933,829.80 - Step 6: Final answer
x = 250,226,552.70
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1.5x scale
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.