Finding the Fourth Proportional to 577,709,460.20, 866,011,844.70 and 214,106,311.40
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Solution
The fourth proportional to 577,709,460.20, 866,011,844.70 and 214,106,311.40 is: 320,954,760.95
Step by Step Solution
- Step 1: Write the proportion equation
577,709,460.20 : 866,011,844.70 = 214,106,311.40 : x - Step 2: Convert to fraction form
577,709,460.20/866,011,844.70 = 214,106,311.40/x - Step 3: Cross multiply
577,709,460.20x = 866,011,844.70 × 214,106,311.40 - Step 4: Simplify right side
577,709,460.20x = 185,418,601,697,426,656 - Step 5: Solve for x
x = 185,418,601,697,426,656/577,709,460.20 - Step 6: Final answer
x = 320,954,760.95
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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.