Finding the Fourth Proportional to 1,389,488,303.80, 2,084,232,455.70 and 1,195,778,059.30
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Solution
The fourth proportional to 1,389,488,303.80, 2,084,232,455.70 and 1,195,778,059.30 is: 1,793,667,088.95
Step by Step Solution
- Step 1: Write the proportion equation
1,389,488,303.80 : 2,084,232,455.70 = 1,195,778,059.30 : x - Step 2: Convert to fraction form
1,389,488,303.80/2,084,232,455.70 = 1,195,778,059.30/x - Step 3: Cross multiply
1,389,488,303.80x = 2,084,232,455.70 × 1,195,778,059.30 - Step 4: Simplify right side
1,389,488,303.80x = 2,492,279,441,007,019,008 - Step 5: Solve for x
x = 2,492,279,441,007,019,008/1,389,488,303.80 - Step 6: Final answer
x = 1,793,667,088.95
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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.