Finding the Fourth Proportional to 7,787,833,157.84, 11,673,889,132.60 and 4,881,828,739.28
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Solution
The fourth proportional to 7,787,833,157.84, 11,673,889,132.60 and 4,881,828,739.28 is: 7,317,815,663.44
Step by Step Solution
- Step 1: Write the proportion equation
7,787,833,157.84 : 11,673,889,132.60 = 4,881,828,739.28 : x - Step 2: Convert to fraction form
7,787,833,157.84/11,673,889,132.60 = 4,881,828,739.28/x - Step 3: Cross multiply
7,787,833,157.84x = 11,673,889,132.60 × 4,881,828,739.28 - Step 4: Simplify right side
7,787,833,157.84x = 56,989,927,466,695,147,520 - Step 5: Solve for x
x = 56,989,927,466,695,147,520/7,787,833,157.84 - Step 6: Final answer
x = 7,317,815,663.44
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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.