Finding the Fourth Proportional to 7,980,328,986.96, 11,011,027,425.99 and 4,764,614,261.04
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Solution
The fourth proportional to 7,980,328,986.96, 11,011,027,425.99 and 4,764,614,261.04 is: 6,574,077,132.45
Step by Step Solution
- Step 1: Write the proportion equation
7,980,328,986.96 : 11,011,027,425.99 = 4,764,614,261.04 : x - Step 2: Convert to fraction form
7,980,328,986.96/11,011,027,425.99 = 4,764,614,261.04/x - Step 3: Cross multiply
7,980,328,986.96x = 11,011,027,425.99 × 4,764,614,261.04 - Step 4: Simplify right side
7,980,328,986.96x = 52,463,298,302,574,518,272 - Step 5: Solve for x
x = 52,463,298,302,574,518,272/7,980,328,986.96 - Step 6: Final answer
x = 6,574,077,132.45
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1.5x scale
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.