Finding the Fourth Proportional to 6,318,374,752.31, 8,719,631,244.73 and 3,498,982,678.06
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Solution
The fourth proportional to 6,318,374,752.31, 8,719,631,244.73 and 3,498,982,678.06 is: 4,828,747,879.07
Step by Step Solution
- Step 1: Write the proportion equation
6,318,374,752.31 : 8,719,631,244.73 = 3,498,982,678.06 : x - Step 2: Convert to fraction form
6,318,374,752.31/8,719,631,244.73 = 3,498,982,678.06/x - Step 3: Cross multiply
6,318,374,752.31x = 8,719,631,244.73 × 3,498,982,678.06 - Step 4: Simplify right side
6,318,374,752.31x = 30,509,838,684,381,024,256 - Step 5: Solve for x
x = 30,509,838,684,381,024,256/6,318,374,752.31 - Step 6: Final answer
x = 4,828,747,879.07
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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.