Finding the Fourth Proportional to 1,441,183,625,263.90, 1,988,890,743,679.70 and 790,885,480,575.75
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Solution
The fourth proportional to 1,441,183,625,263.90, 1,988,890,743,679.70 and 790,885,480,575.75 is: 1,091,453,430,398.05
Step by Step Solution
- Step 1: Write the proportion equation
1,441,183,625,263.90 : 1,988,890,743,679.70 = 790,885,480,575.75 : x - Step 2: Convert to fraction form
1,441,183,625,263.90/1,988,890,743,679.70 = 790,885,480,575.75/x - Step 3: Cross multiply
1,441,183,625,263.90x = 1,988,890,743,679.70 × 790,885,480,575.75 - Step 4: Simplify right side
1,441,183,625,263.90x = 1,572,984,811,627,780,207,804,416 - Step 5: Solve for x
x = 1,572,984,811,627,780,207,804,416/1,441,183,625,263.90 - Step 6: Final answer
x = 1,091,453,430,398.05
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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.