Finding the Fourth Proportional to 238,109,408,490, 328,370,265,523.44 and 173,778,234,520.08
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Solution
The fourth proportional to 238,109,408,490, 328,370,265,523.44 and 173,778,234,520.08 is: 239,652,877,949.80
Step by Step Solution
- Step 1: Write the proportion equation
238,109,408,490 : 328,370,265,523.44 = 173,778,234,520.08 : x - Step 2: Convert to fraction form
238,109,408,490/328,370,265,523.44 = 173,778,234,520.08/x - Step 3: Cross multiply
238,109,408,490x = 328,370,265,523.44 × 173,778,234,520.08 - Step 4: Simplify right side
238,109,408,490x = 57,063,605,011,553,288,454,144 - Step 5: Solve for x
x = 57,063,605,011,553,288,454,144/238,109,408,490 - Step 6: Final answer
x = 239,652,877,949.80
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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.