Finding the Fourth Proportional to 9,847,119,975.20, 14,770,679,962.80 and 2,953,975,911.20
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Solution
The fourth proportional to 9,847,119,975.20, 14,770,679,962.80 and 2,953,975,911.20 is: 4,430,963,866.80
Step by Step Solution
- Step 1: Write the proportion equation
9,847,119,975.20 : 14,770,679,962.80 = 2,953,975,911.20 : x - Step 2: Convert to fraction form
9,847,119,975.20/14,770,679,962.80 = 2,953,975,911.20/x - Step 3: Cross multiply
9,847,119,975.20x = 14,770,679,962.80 × 2,953,975,911.20 - Step 4: Simplify right side
9,847,119,975.20x = 43,632,232,802,155,708,416 - Step 5: Solve for x
x = 43,632,232,802,155,708,416/9,847,119,975.20 - Step 6: Final answer
x = 4,430,963,866.80
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1.5x scale
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.