Finding the Fourth Proportional to 4,272,747,016.62, 6,408,538,719.74 and 1,124,697,991.44
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Solution
The fourth proportional to 4,272,747,016.62, 6,408,538,719.74 and 1,124,697,991.44 is: 1,686,893,840.92
Step by Step Solution
- Step 1: Write the proportion equation
4,272,747,016.62 : 6,408,538,719.74 = 1,124,697,991.44 : x - Step 2: Convert to fraction form
4,272,747,016.62/6,408,538,719.74 = 1,124,697,991.44/x - Step 3: Cross multiply
4,272,747,016.62x = 6,408,538,719.74 × 1,124,697,991.44 - Step 4: Simplify right side
4,272,747,016.62x = 7,207,670,626,157,046,784 - Step 5: Solve for x
x = 7,207,670,626,157,046,784/4,272,747,016.62 - Step 6: Final answer
x = 1,686,893,840.92
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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.