Finding the Fourth Proportional to 1,459,279,315.12, 2,191,103,195.10 and 1,263,151,014.08
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Solution
The fourth proportional to 1,459,279,315.12, 2,191,103,195.10 and 1,263,151,014.08 is: 1,896,617,182.31
Step by Step Solution
- Step 1: Write the proportion equation
1,459,279,315.12 : 2,191,103,195.10 = 1,263,151,014.08 : x - Step 2: Convert to fraction form
1,459,279,315.12/2,191,103,195.10 = 1,263,151,014.08/x - Step 3: Cross multiply
1,459,279,315.12x = 2,191,103,195.10 × 1,263,151,014.08 - Step 4: Simplify right side
1,459,279,315.12x = 2,767,694,222,844,492,800 - Step 5: Solve for x
x = 2,767,694,222,844,492,800/1,459,279,315.12 - Step 6: Final answer
x = 1,896,617,182.31
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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.