Finding the Fourth Proportional to 587,167,865.60, 881,095,242.14 and 218,957,197.28
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Solution
The fourth proportional to 587,167,865.60, 881,095,242.14 and 218,957,197.28 is: 328,563,867.43
Step by Step Solution
- Step 1: Write the proportion equation
587,167,865.60 : 881,095,242.14 = 218,957,197.28 : x - Step 2: Convert to fraction form
587,167,865.60/881,095,242.14 = 218,957,197.28/x - Step 3: Cross multiply
587,167,865.60x = 881,095,242.14 × 218,957,197.28 - Step 4: Simplify right side
587,167,865.60x = 192,922,144,751,038,176 - Step 5: Solve for x
x = 192,922,144,751,038,176/587,167,865.60 - Step 6: Final answer
x = 328,563,867.43
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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.