Finding the Fourth Proportional to 7,019,511,334.08, 9,681,277,320 and 6,170,924,251.68
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Solution
The fourth proportional to 7,019,511,334.08, 9,681,277,320 and 6,170,924,251.68 is: 8,510,909,970.50
Step by Step Solution
- Step 1: Write the proportion equation
7,019,511,334.08 : 9,681,277,320 = 6,170,924,251.68 : x - Step 2: Convert to fraction form
7,019,511,334.08/9,681,277,320 = 6,170,924,251.68/x - Step 3: Cross multiply
7,019,511,334.08x = 9,681,277,320 × 6,170,924,251.68 - Step 4: Simplify right side
7,019,511,334.08x = 59,742,429,001,227,558,912 - Step 5: Solve for x
x = 59,742,429,001,227,558,912/7,019,511,334.08 - Step 6: Final answer
x = 8,510,909,970.50
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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.