Finding the Fourth Proportional to 256,702,307.98, 382,895,204.25 and 233,136,346.54
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Solution
The fourth proportional to 256,702,307.98, 382,895,204.25 and 233,136,346.54 is: 347,744,395.95
Step by Step Solution
- Step 1: Write the proportion equation
256,702,307.98 : 382,895,204.25 = 233,136,346.54 : x - Step 2: Convert to fraction form
256,702,307.98/382,895,204.25 = 233,136,346.54/x - Step 3: Cross multiply
256,702,307.98x = 382,895,204.25 × 233,136,346.54 - Step 4: Simplify right side
256,702,307.98x = 89,266,789,026,532,080 - Step 5: Solve for x
x = 89,266,789,026,532,080/256,702,307.98 - Step 6: Final answer
x = 347,744,395.95
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.