Finding the Fourth Proportional to 438,751,340.16, 605,468,192.13 and 240,513,262.08
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Solution
The fourth proportional to 438,751,340.16, 605,468,192.13 and 240,513,262.08 is: 331,903,555.95
Step by Step Solution
- Step 1: Write the proportion equation
438,751,340.16 : 605,468,192.13 = 240,513,262.08 : x - Step 2: Convert to fraction form
438,751,340.16/605,468,192.13 = 240,513,262.08/x - Step 3: Cross multiply
438,751,340.16x = 605,468,192.13 × 240,513,262.08 - Step 4: Simplify right side
438,751,340.16x = 145,623,129,974,866,496 - Step 5: Solve for x
x = 145,623,129,974,866,496/438,751,340.16 - Step 6: Final answer
x = 331,903,555.95
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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.