Finding the Fourth Proportional to 956,164,194.97, 1,319,509,321.94 and 554,356,030.75
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Solution
The fourth proportional to 956,164,194.97, 1,319,509,321.94 and 554,356,030.75 is: 765,012,906.88
Step by Step Solution
- Step 1: Write the proportion equation
956,164,194.97 : 1,319,509,321.94 = 554,356,030.75 : x - Step 2: Convert to fraction form
956,164,194.97/1,319,509,321.94 = 554,356,030.75/x - Step 3: Cross multiply
956,164,194.97x = 1,319,509,321.94 × 554,356,030.75 - Step 4: Simplify right side
956,164,194.97x = 731,477,950,246,369,408 - Step 5: Solve for x
x = 731,477,950,246,369,408/956,164,194.97 - Step 6: Final answer
x = 765,012,906.88
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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.