Finding the Fourth Proportional to 306,465,360.10, 459,698,040.15 and 203,896,809.70
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Solution
The fourth proportional to 306,465,360.10, 459,698,040.15 and 203,896,809.70 is: 305,845,214.55
Step by Step Solution
- Step 1: Write the proportion equation
306,465,360.10 : 459,698,040.15 = 203,896,809.70 : x - Step 2: Convert to fraction form
306,465,360.10/459,698,040.15 = 203,896,809.70/x - Step 3: Cross multiply
306,465,360.10x = 459,698,040.15 × 203,896,809.70 - Step 4: Simplify right side
306,465,360.10x = 93,730,963,811,927,504 - Step 5: Solve for x
x = 93,730,963,811,927,504/306,465,360.10 - Step 6: Final answer
x = 305,845,214.55
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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.