Finding the Fourth Proportional to 607,103,607.36, 910,519,116.80 and 279,264,259.20
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Solution
The fourth proportional to 607,103,607.36, 910,519,116.80 and 279,264,259.20 is: 418,833,694.21
Step by Step Solution
- Step 1: Write the proportion equation
607,103,607.36 : 910,519,116.80 = 279,264,259.20 : x - Step 2: Convert to fraction form
607,103,607.36/910,519,116.80 = 279,264,259.20/x - Step 3: Cross multiply
607,103,607.36x = 910,519,116.80 × 279,264,259.20 - Step 4: Simplify right side
607,103,607.36x = 254,275,446,640,590,240 - Step 5: Solve for x
x = 254,275,446,640,590,240/607,103,607.36 - Step 6: Final answer
x = 418,833,694.21
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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.