Finding the Fourth Proportional to 1,779,314,657.97, 2,455,454,188.99 and 986,358,627.75
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Solution
The fourth proportional to 1,779,314,657.97, 2,455,454,188.99 and 986,358,627.75 is: 1,361,174,884.67
Step by Step Solution
- Step 1: Write the proportion equation
1,779,314,657.97 : 2,455,454,188.99 = 986,358,627.75 : x - Step 2: Convert to fraction form
1,779,314,657.97/2,455,454,188.99 = 986,358,627.75/x - Step 3: Cross multiply
1,779,314,657.97x = 2,455,454,188.99 × 986,358,627.75 - Step 4: Simplify right side
1,779,314,657.97x = 2,421,958,424,355,165,184 - Step 5: Solve for x
x = 2,421,958,424,355,165,184/1,779,314,657.97 - Step 6: Final answer
x = 1,361,174,884.67
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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.