Finding the Fourth Proportional to 367,927,308.88, 507,611,468.84 and 235,841,133.76
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Solution
The fourth proportional to 367,927,308.88, 507,611,468.84 and 235,841,133.76 is: 325,378,577.32
Step by Step Solution
- Step 1: Write the proportion equation
367,927,308.88 : 507,611,468.84 = 235,841,133.76 : x - Step 2: Convert to fraction form
367,927,308.88/507,611,468.84 = 235,841,133.76/x - Step 3: Cross multiply
367,927,308.88x = 507,611,468.84 × 235,841,133.76 - Step 4: Simplify right side
367,927,308.88x = 119,715,664,320,804,496 - Step 5: Solve for x
x = 119,715,664,320,804,496/367,927,308.88 - Step 6: Final answer
x = 325,378,577.32
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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.