Finding the Fourth Proportional to 748,593,585.14, 1,032,989,819.74 and 414,058,907.79
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Solution
The fourth proportional to 748,593,585.14, 1,032,989,819.74 and 414,058,907.79 is: 571,362,946.48
Step by Step Solution
- Step 1: Write the proportion equation
748,593,585.14 : 1,032,989,819.74 = 414,058,907.79 : x - Step 2: Convert to fraction form
748,593,585.14/1,032,989,819.74 = 414,058,907.79/x - Step 3: Cross multiply
748,593,585.14x = 1,032,989,819.74 × 414,058,907.79 - Step 4: Simplify right side
748,593,585.14x = 427,718,636,518,698,240 - Step 5: Solve for x
x = 427,718,636,518,698,240/748,593,585.14 - Step 6: Final answer
x = 571,362,946.48
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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.