Finding the Fourth Proportional to 305,803,290.74, 458,731,358.86 and 84,474,553.18
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Solution
The fourth proportional to 305,803,290.74, 458,731,358.86 and 84,474,553.18 is: 126,719,128.74
Step by Step Solution
- Step 1: Write the proportion equation
305,803,290.74 : 458,731,358.86 = 84,474,553.18 : x - Step 2: Convert to fraction form
305,803,290.74/458,731,358.86 = 84,474,553.18/x - Step 3: Cross multiply
305,803,290.74x = 458,731,358.86 × 84,474,553.18 - Step 4: Simplify right side
305,803,290.74x = 38,751,126,569,352,736 - Step 5: Solve for x
x = 38,751,126,569,352,736/305,803,290.74 - Step 6: Final answer
x = 126,719,128.74
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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.