Finding the Fourth Proportional to 683,160,864.68, 942,762,438.24 and 369,895,291.04
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Solution
The fourth proportional to 683,160,864.68, 942,762,438.24 and 369,895,291.04 is: 510,455,742.57
Step by Step Solution
- Step 1: Write the proportion equation
683,160,864.68 : 942,762,438.24 = 369,895,291.04 : x - Step 2: Convert to fraction form
683,160,864.68/942,762,438.24 = 369,895,291.04/x - Step 3: Cross multiply
683,160,864.68x = 942,762,438.24 × 369,895,291.04 - Step 4: Simplify right side
683,160,864.68x = 348,723,386,474,364,864 - Step 5: Solve for x
x = 348,723,386,474,364,864/683,160,864.68 - Step 6: Final answer
x = 510,455,742.57
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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.