Finding the Fourth Proportional to 426,576,919.50, 588,509,484.84 and 247,931,124.66
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Solution
The fourth proportional to 426,576,919.50, 588,509,484.84 and 247,931,124.66 is: 342,048,085.07
Step by Step Solution
- Step 1: Write the proportion equation
426,576,919.50 : 588,509,484.84 = 247,931,124.66 : x - Step 2: Convert to fraction form
426,576,919.50/588,509,484.84 = 247,931,124.66/x - Step 3: Cross multiply
426,576,919.50x = 588,509,484.84 × 247,931,124.66 - Step 4: Simplify right side
426,576,919.50x = 145,909,818,449,458,432 - Step 5: Solve for x
x = 145,909,818,449,458,432/426,576,919.50 - Step 6: Final answer
x = 342,048,085.07
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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.