Finding the Fourth Proportional to 324,771,280.70, 487,156,921.05 and 152,584,396.70
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Solution
The fourth proportional to 324,771,280.70, 487,156,921.05 and 152,584,396.70 is: 228,876,595.05
Step by Step Solution
- Step 1: Write the proportion equation
324,771,280.70 : 487,156,921.05 = 152,584,396.70 : x - Step 2: Convert to fraction form
324,771,280.70/487,156,921.05 = 152,584,396.70/x - Step 3: Cross multiply
324,771,280.70x = 487,156,921.05 × 152,584,396.70 - Step 4: Simplify right side
324,771,280.70x = 74,332,544,896,643,776 - Step 5: Solve for x
x = 74,332,544,896,643,776/324,771,280.70 - Step 6: Final answer
x = 228,876,595.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.