Finding the Fourth Proportional to 320,991,112.08, 480,794,862.60 and 216,787,312.08
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Solution
The fourth proportional to 320,991,112.08, 480,794,862.60 and 216,787,312.08 is: 324,713,744.41
Step by Step Solution
- Step 1: Write the proportion equation
320,991,112.08 : 480,794,862.60 = 216,787,312.08 : x - Step 2: Convert to fraction form
320,991,112.08/480,794,862.60 = 216,787,312.08/x - Step 3: Cross multiply
320,991,112.08x = 480,794,862.60 × 216,787,312.08 - Step 4: Simplify right side
320,991,112.08x = 104,230,225,924,926,928 - Step 5: Solve for x
x = 104,230,225,924,926,928/320,991,112.08 - Step 6: Final answer
x = 324,713,744.41
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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.