Finding the Fourth Proportional to 314,571,923.70, 471,857,885.55 and 192,127,917.30
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Solution
The fourth proportional to 314,571,923.70, 471,857,885.55 and 192,127,917.30 is: 288,191,875.95
Step by Step Solution
- Step 1: Write the proportion equation
314,571,923.70 : 471,857,885.55 = 192,127,917.30 : x - Step 2: Convert to fraction form
314,571,923.70/471,857,885.55 = 192,127,917.30/x - Step 3: Cross multiply
314,571,923.70x = 471,857,885.55 × 192,127,917.30 - Step 4: Simplify right side
314,571,923.70x = 90,657,072,812,303,280 - Step 5: Solve for x
x = 90,657,072,812,303,280/314,571,923.70 - Step 6: Final answer
x = 288,191,875.95
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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.