Finding the Fourth Proportional to 7,142,145,235.71, 10,717,395,407.01 and 2,663,334,068.19
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Solution
The fourth proportional to 7,142,145,235.71, 10,717,395,407.01 and 2,663,334,068.19 is: 3,996,558,928.41
Step by Step Solution
- Step 1: Write the proportion equation
7,142,145,235.71 : 10,717,395,407.01 = 2,663,334,068.19 : x - Step 2: Convert to fraction form
7,142,145,235.71/10,717,395,407.01 = 2,663,334,068.19/x - Step 3: Cross multiply
7,142,145,235.71x = 10,717,395,407.01 × 2,663,334,068.19 - Step 4: Simplify right side
7,142,145,235.71x = 28,544,004,309,752,766,464 - Step 5: Solve for x
x = 28,544,004,309,752,766,464/7,142,145,235.71 - Step 6: Final answer
x = 3,996,558,928.41
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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.