Finding the Fourth Proportional to 7,905,731,036.28, 11,858,178,901.20 and 2,593,143,400.32
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Solution
The fourth proportional to 7,905,731,036.28, 11,858,178,901.20 and 2,593,143,400.32 is: 3,889,578,106.86
Step by Step Solution
- Step 1: Write the proportion equation
7,905,731,036.28 : 11,858,178,901.20 = 2,593,143,400.32 : x - Step 2: Convert to fraction form
7,905,731,036.28/11,858,178,901.20 = 2,593,143,400.32/x - Step 3: Cross multiply
7,905,731,036.28x = 11,858,178,901.20 × 2,593,143,400.32 - Step 4: Simplify right side
7,905,731,036.28x = 30,749,958,357,460,652,032 - Step 5: Solve for x
x = 30,749,958,357,460,652,032/7,905,731,036.28 - Step 6: Final answer
x = 3,889,578,106.86
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1.5x scale
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.