Finding the Fourth Proportional to 7,730,187,443.28, 11,594,412,830.16 and 2,134,919,972.16
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Solution
The fourth proportional to 7,730,187,443.28, 11,594,412,830.16 and 2,134,919,972.16 is: 3,202,140,141.90
Step by Step Solution
- Step 1: Write the proportion equation
7,730,187,443.28 : 11,594,412,830.16 = 2,134,919,972.16 : x - Step 2: Convert to fraction form
7,730,187,443.28/11,594,412,830.16 = 2,134,919,972.16/x - Step 3: Cross multiply
7,730,187,443.28x = 11,594,412,830.16 × 2,134,919,972.16 - Step 4: Simplify right side
7,730,187,443.28x = 24,753,143,516,576,735,232 - Step 5: Solve for x
x = 24,753,143,516,576,735,232/7,730,187,443.28 - Step 6: Final answer
x = 3,202,140,141.90
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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.