Finding the Fourth Proportional to 519,558,374.88, 716,416,014.51 and 331,088,113.98
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Solution
The fourth proportional to 519,558,374.88, 716,416,014.51 and 331,088,113.98 is: 456,535,470.39
Step by Step Solution
- Step 1: Write the proportion equation
519,558,374.88 : 716,416,014.51 = 331,088,113.98 : x - Step 2: Convert to fraction form
519,558,374.88/716,416,014.51 = 331,088,113.98/x - Step 3: Cross multiply
519,558,374.88x = 716,416,014.51 × 331,088,113.98 - Step 4: Simplify right side
519,558,374.88x = 237,196,827,069,184,224 - Step 5: Solve for x
x = 237,196,827,069,184,224/519,558,374.88 - Step 6: Final answer
x = 456,535,470.39
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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.