Finding the Fourth Proportional to 671,401,729.84, 926,562,981.84 and 374,043,803.68
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Solution
The fourth proportional to 671,401,729.84, 926,562,981.84 and 374,043,803.68 is: 516,196,379.42
Step by Step Solution
- Step 1: Write the proportion equation
671,401,729.84 : 926,562,981.84 = 374,043,803.68 : x - Step 2: Convert to fraction form
671,401,729.84/926,562,981.84 = 374,043,803.68/x - Step 3: Cross multiply
671,401,729.84x = 926,562,981.84 × 374,043,803.68 - Step 4: Simplify right side
671,401,729.84x = 346,575,142,076,516,416 - Step 5: Solve for x
x = 346,575,142,076,516,416/671,401,729.84 - Step 6: Final answer
x = 516,196,379.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.