Finding the Fourth Proportional to 528,031,682.10, 792,330,958.35 and 221,354,795.70
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Solution
The fourth proportional to 528,031,682.10, 792,330,958.35 and 221,354,795.70 is: 332,151,011.69
Step by Step Solution
- Step 1: Write the proportion equation
528,031,682.10 : 792,330,958.35 = 221,354,795.70 : x - Step 2: Convert to fraction form
528,031,682.10/792,330,958.35 = 221,354,795.70/x - Step 3: Cross multiply
528,031,682.10x = 792,330,958.35 × 221,354,795.70 - Step 4: Simplify right side
528,031,682.10x = 175,386,257,412,349,440 - Step 5: Solve for x
x = 175,386,257,412,349,440/528,031,682.10 - Step 6: Final answer
x = 332,151,011.69
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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.