Finding the Fourth Proportional to 331,458,750.16, 457,424,117.64 and 180,759,628.30
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Solution
The fourth proportional to 331,458,750.16, 457,424,117.64 and 180,759,628.30 is: 249,454,308.99
Step by Step Solution
- Step 1: Write the proportion equation
331,458,750.16 : 457,424,117.64 = 180,759,628.30 : x - Step 2: Convert to fraction form
331,458,750.16/457,424,117.64 = 180,759,628.30/x - Step 3: Cross multiply
331,458,750.16x = 457,424,117.64 × 180,759,628.30 - Step 4: Simplify right side
331,458,750.16x = 82,683,813,480,061,872 - Step 5: Solve for x
x = 82,683,813,480,061,872/331,458,750.16 - Step 6: Final answer
x = 249,454,308.99
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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.