Finding the Fourth Proportional to 647,211,785,476.05, 971,033,281,615.40 and 216,991,441,335.08
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Solution
The fourth proportional to 647,211,785,476.05, 971,033,281,615.40 and 216,991,441,335.08 is: 325,559,447,603.50
Step by Step Solution
- Step 1: Write the proportion equation
647,211,785,476.05 : 971,033,281,615.40 = 216,991,441,335.08 : x - Step 2: Convert to fraction form
647,211,785,476.05/971,033,281,615.40 = 216,991,441,335.08/x - Step 3: Cross multiply
647,211,785,476.05x = 971,033,281,615.40 × 216,991,441,335.08 - Step 4: Simplify right side
647,211,785,476.05x = 210,705,911,362,058,293,608,448 - Step 5: Solve for x
x = 210,705,911,362,058,293,608,448/647,211,785,476.05 - Step 6: Final answer
x = 325,559,447,603.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.