Finding the Fourth Proportional to 607,103,728.68, 910,519,297.98 and 279,264,380.52
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Solution
The fourth proportional to 607,103,728.68, 910,519,297.98 and 279,264,380.52 is: 418,833,875.81
Step by Step Solution
- Step 1: Write the proportion equation
607,103,728.68 : 910,519,297.98 = 279,264,380.52 : x - Step 2: Convert to fraction form
607,103,728.68/910,519,297.98 = 279,264,380.52/x - Step 3: Cross multiply
607,103,728.68x = 910,519,297.98 × 279,264,380.52 - Step 4: Simplify right side
607,103,728.68x = 254,275,607,701,889,984 - Step 5: Solve for x
x = 254,275,607,701,889,984/607,103,728.68 - Step 6: Final answer
x = 418,833,875.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.