Finding the Fourth Proportional to 521,366,365.76, 782,733,029.16 and 349,611,720.08
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Solution
The fourth proportional to 521,366,365.76, 782,733,029.16 and 349,611,720.08 is: 524,875,900.44
Step by Step Solution
- Step 1: Write the proportion equation
521,366,365.76 : 782,733,029.16 = 349,611,720.08 : x - Step 2: Convert to fraction form
521,366,365.76/782,733,029.16 = 349,611,720.08/x - Step 3: Cross multiply
521,366,365.76x = 782,733,029.16 × 349,611,720.08 - Step 4: Simplify right side
521,366,365.76x = 273,652,640,688,056,384 - Step 5: Solve for x
x = 273,652,640,688,056,384/521,366,365.76 - Step 6: Final answer
x = 524,875,900.44
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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.