Finding the Fourth Proportional to 7,027,589,440,944.90, 9,697,541,199,948 and 3,943,988,664,296.70
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Solution
The fourth proportional to 7,027,589,440,944.90, 9,697,541,199,948 and 3,943,988,664,296.70 is: 5,442,405,662,076.16
Step by Step Solution
- Step 1: Write the proportion equation
7,027,589,440,944.90 : 9,697,541,199,948 = 3,943,988,664,296.70 : x - Step 2: Convert to fraction form
7,027,589,440,944.90/9,697,541,199,948 = 3,943,988,664,296.70/x - Step 3: Cross multiply
7,027,589,440,944.90x = 9,697,541,199,948 × 3,943,988,664,296.70 - Step 4: Simplify right side
7,027,589,440,944.90x = 38,246,992,564,145,133,444,923,392 - Step 5: Solve for x
x = 38,246,992,564,145,133,444,923,392/7,027,589,440,944.90 - Step 6: Final answer
x = 5,442,405,662,076.16
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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.