Finding the Fourth Proportional to 391,154,198,565.54, 586,730,565,543.81 and 122,563,740,624.44
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Solution
The fourth proportional to 391,154,198,565.54, 586,730,565,543.81 and 122,563,740,624.44 is: 183,845,381,477.33
Step by Step Solution
- Step 1: Write the proportion equation
391,154,198,565.54 : 586,730,565,543.81 = 122,563,740,624.44 : x - Step 2: Convert to fraction form
391,154,198,565.54/586,730,565,543.81 = 122,563,740,624.44/x - Step 3: Cross multiply
391,154,198,565.54x = 586,730,565,543.81 × 122,563,740,624.44 - Step 4: Simplify right side
391,154,198,565.54x = 71,911,892,851,742,532,960,256 - Step 5: Solve for x
x = 71,911,892,851,742,532,960,256/391,154,198,565.54 - Step 6: Final answer
x = 183,845,381,477.33
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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.