Finding the Fourth Proportional to 263,221,417.98, 394,684,520.76 and 180,316,840.68
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Solution
The fourth proportional to 263,221,417.98, 394,684,520.76 and 180,316,840.68 is: 270,374,145.06
Step by Step Solution
- Step 1: Write the proportion equation
263,221,417.98 : 394,684,520.76 = 180,316,840.68 : x - Step 2: Convert to fraction form
263,221,417.98/394,684,520.76 = 180,316,840.68/x - Step 3: Cross multiply
263,221,417.98x = 394,684,520.76 × 180,316,840.68 - Step 4: Simplify right side
263,221,417.98x = 71,168,265,848,743,072 - Step 5: Solve for x
x = 71,168,265,848,743,072/263,221,417.98 - Step 6: Final answer
x = 270,374,145.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.