Finding the Fourth Proportional to 480,701,439.70, 720,951,267.47 and 135,574,354.08
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Solution
The fourth proportional to 480,701,439.70, 720,951,267.47 and 135,574,354.08 is: 203,333,076.08
Step by Step Solution
- Step 1: Write the proportion equation
480,701,439.70 : 720,951,267.47 = 135,574,354.08 : x - Step 2: Convert to fraction form
480,701,439.70/720,951,267.47 = 135,574,354.08/x - Step 3: Cross multiply
480,701,439.70x = 720,951,267.47 × 135,574,354.08 - Step 4: Simplify right side
480,701,439.70x = 97,742,502,409,724,704 - Step 5: Solve for x
x = 97,742,502,409,724,704/480,701,439.70 - Step 6: Final answer
x = 203,333,076.08
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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.