Finding the Fourth Proportional to 748,593,599.01, 1,032,989,838.87 and 414,058,921.68
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Solution
The fourth proportional to 748,593,599.01, 1,032,989,838.87 and 414,058,921.68 is: 571,362,965.64
Step by Step Solution
- Step 1: Write the proportion equation
748,593,599.01 : 1,032,989,838.87 = 414,058,921.68 : x - Step 2: Convert to fraction form
748,593,599.01/1,032,989,838.87 = 414,058,921.68/x - Step 3: Cross multiply
748,593,599.01x = 1,032,989,838.87 × 414,058,921.68 - Step 4: Simplify right side
748,593,599.01x = 427,718,658,788,909,184 - Step 5: Solve for x
x = 427,718,658,788,909,184/748,593,599.01 - Step 6: Final answer
x = 571,362,965.64
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1.5x scale
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.