Finding the Fourth Proportional to 623,184,438.68, 859,919,601.66 and 358,952,367.14
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Solution
The fourth proportional to 623,184,438.68, 859,919,601.66 and 358,952,367.14 is: 495,311,110.82
Step by Step Solution
- Step 1: Write the proportion equation
623,184,438.68 : 859,919,601.66 = 358,952,367.14 : x - Step 2: Convert to fraction form
623,184,438.68/859,919,601.66 = 358,952,367.14/x - Step 3: Cross multiply
623,184,438.68x = 859,919,601.66 × 358,952,367.14 - Step 4: Simplify right side
623,184,438.68x = 308,670,176,565,942,848 - Step 5: Solve for x
x = 308,670,176,565,942,848/623,184,438.68 - Step 6: Final answer
x = 495,311,110.82
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1.5x scale
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.