Finding the Fourth Proportional to 665,593,284.95, 918,511,923.00 and 368,237,655.27
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Solution
The fourth proportional to 665,593,284.95, 918,511,923.00 and 368,237,655.27 is: 508,164,196.53
Step by Step Solution
- Step 1: Write the proportion equation
665,593,284.95 : 918,511,923.00 = 368,237,655.27 : x - Step 2: Convert to fraction form
665,593,284.95/918,511,923.00 = 368,237,655.27/x - Step 3: Cross multiply
665,593,284.95x = 918,511,923.00 × 368,237,655.27 - Step 4: Simplify right side
665,593,284.95x = 338,230,676,858,754,368 - Step 5: Solve for x
x = 338,230,676,858,754,368/665,593,284.95 - Step 6: Final answer
x = 508,164,196.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.