Finding the Fourth Proportional to 438,751,341.16, 605,468,193.51 and 240,513,263.08
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Solution
The fourth proportional to 438,751,341.16, 605,468,193.51 and 240,513,263.08 is: 331,903,557.33
Step by Step Solution
- Step 1: Write the proportion equation
438,751,341.16 : 605,468,193.51 = 240,513,263.08 : x - Step 2: Convert to fraction form
438,751,341.16/605,468,193.51 = 240,513,263.08/x - Step 3: Cross multiply
438,751,341.16x = 605,468,193.51 × 240,513,263.08 - Step 4: Simplify right side
438,751,341.16x = 145,623,130,912,242,976 - Step 5: Solve for x
x = 145,623,130,912,242,976/438,751,341.16 - Step 6: Final answer
x = 331,903,557.33
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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.