Finding the Fourth Proportional to 613,272,562.70, 919,908,844.05 and 368,384,549.90
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Solution
The fourth proportional to 613,272,562.70, 919,908,844.05 and 368,384,549.90 is: 552,576,824.85
Step by Step Solution
- Step 1: Write the proportion equation
613,272,562.70 : 919,908,844.05 = 368,384,549.90 : x - Step 2: Convert to fraction form
613,272,562.70/919,908,844.05 = 368,384,549.90/x - Step 3: Cross multiply
613,272,562.70x = 919,908,844.05 × 368,384,549.90 - Step 4: Simplify right side
613,272,562.70x = 338,880,205,464,388,480 - Step 5: Solve for x
x = 338,880,205,464,388,480/613,272,562.70 - Step 6: Final answer
x = 552,576,824.85
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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.