Finding the Fourth Proportional to 5,594,553,128.92, 7,720,507,977 and 3,088,447,434.04
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Solution
The fourth proportional to 5,594,553,128.92, 7,720,507,977 and 3,088,447,434.04 is: 4,262,071,071.91
Step by Step Solution
- Step 1: Write the proportion equation
5,594,553,128.92 : 7,720,507,977 = 3,088,447,434.04 : x - Step 2: Convert to fraction form
5,594,553,128.92/7,720,507,977 = 3,088,447,434.04/x - Step 3: Cross multiply
5,594,553,128.92x = 7,720,507,977 × 3,088,447,434.04 - Step 4: Simplify right side
5,594,553,128.92x = 23,844,383,051,050,999,808 - Step 5: Solve for x
x = 23,844,383,051,050,999,808/5,594,553,128.92 - Step 6: Final answer
x = 4,262,071,071.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.