Finding the Fourth Proportional to 449,345,543.64, 620,097,690.35 and 251,107,038.63
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Solution
The fourth proportional to 449,345,543.64, 620,097,690.35 and 251,107,038.63 is: 346,528,182.80
Step by Step Solution
- Step 1: Write the proportion equation
449,345,543.64 : 620,097,690.35 = 251,107,038.63 : x - Step 2: Convert to fraction form
449,345,543.64/620,097,690.35 = 251,107,038.63/x - Step 3: Cross multiply
449,345,543.64x = 620,097,690.35 × 251,107,038.63 - Step 4: Simplify right side
449,345,543.64x = 155,710,894,685,091,232 - Step 5: Solve for x
x = 155,710,894,685,091,232/449,345,543.64 - Step 6: Final answer
x = 346,528,182.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.