Finding the Fourth Proportional to 374,237,914.11, 516,427,437.70 and 204,658,687.71
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Solution
The fourth proportional to 374,237,914.11, 516,427,437.70 and 204,658,687.71 is: 282,417,568.38
Step by Step Solution
- Step 1: Write the proportion equation
374,237,914.11 : 516,427,437.70 = 204,658,687.71 : x - Step 2: Convert to fraction form
374,237,914.11/516,427,437.70 = 204,658,687.71/x - Step 3: Cross multiply
374,237,914.11x = 516,427,437.70 × 204,658,687.71 - Step 4: Simplify right side
374,237,914.11x = 105,691,361,697,119,776 - Step 5: Solve for x
x = 105,691,361,697,119,776/374,237,914.11 - Step 6: Final answer
x = 282,417,568.38
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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.