Finding the Fourth Proportional to 368,584,321.50, 508,643,014.86 and 201,320,547.84
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Solution
The fourth proportional to 368,584,321.50, 508,643,014.86 and 201,320,547.84 is: 277,820,526.90
Step by Step Solution
- Step 1: Write the proportion equation
368,584,321.50 : 508,643,014.86 = 201,320,547.84 : x - Step 2: Convert to fraction form
368,584,321.50/508,643,014.86 = 201,320,547.84/x - Step 3: Cross multiply
368,584,321.50x = 508,643,014.86 × 201,320,547.84 - Step 4: Simplify right side
368,584,321.50x = 102,400,290,406,604,464 - Step 5: Solve for x
x = 102,400,290,406,604,464/368,584,321.50 - Step 6: Final answer
x = 277,820,526.90
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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.