Finding the Fourth Proportional to 7,973,210,230.20, 11,959,815,345.30 and 3,831,655,087.80
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Solution
The fourth proportional to 7,973,210,230.20, 11,959,815,345.30 and 3,831,655,087.80 is: 5,747,482,631.70
Step by Step Solution
- Step 1: Write the proportion equation
7,973,210,230.20 : 11,959,815,345.30 = 3,831,655,087.80 : x - Step 2: Convert to fraction form
7,973,210,230.20/11,959,815,345.30 = 3,831,655,087.80/x - Step 3: Cross multiply
7,973,210,230.20x = 11,959,815,345.30 × 3,831,655,087.80 - Step 4: Simplify right side
7,973,210,230.20x = 45,825,887,316,967,260,160 - Step 5: Solve for x
x = 45,825,887,316,967,260,160/7,973,210,230.20 - Step 6: Final answer
x = 5,747,482,631.70
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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.