Finding the Fourth Proportional to 7,148,973,359.15, 10,725,011,332.36 and 2,174,565,928.62
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Solution
The fourth proportional to 7,148,973,359.15, 10,725,011,332.36 and 2,174,565,928.62 is: 3,262,320,763.52
Step by Step Solution
- Step 1: Write the proportion equation
7,148,973,359.15 : 10,725,011,332.36 = 2,174,565,928.62 : x - Step 2: Convert to fraction form
7,148,973,359.15/10,725,011,332.36 = 2,174,565,928.62/x - Step 3: Cross multiply
7,148,973,359.15x = 10,725,011,332.36 × 2,174,565,928.62 - Step 4: Simplify right side
7,148,973,359.15x = 23,322,244,227,388,723,200 - Step 5: Solve for x
x = 23,322,244,227,388,723,200/7,148,973,359.15 - Step 6: Final answer
x = 3,262,320,763.52
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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.