Finding the Fourth Proportional to 282,385,125.70, 423,577,688.55 and 196,291,683.70
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Solution
The fourth proportional to 282,385,125.70, 423,577,688.55 and 196,291,683.70 is: 294,437,525.55
Step by Step Solution
- Step 1: Write the proportion equation
282,385,125.70 : 423,577,688.55 = 196,291,683.70 : x - Step 2: Convert to fraction form
282,385,125.70/423,577,688.55 = 196,291,683.70/x - Step 3: Cross multiply
282,385,125.70x = 423,577,688.55 × 196,291,683.70 - Step 4: Simplify right side
282,385,125.70x = 83,144,777,663,233,712 - Step 5: Solve for x
x = 83,144,777,663,233,712/282,385,125.70 - Step 6: Final answer
x = 294,437,525.55
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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.