Finding the Fourth Proportional to 70,707,653,463.79, 97,704,199,735.55 and 50,349,765,653.12
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Solution
The fourth proportional to 70,707,653,463.79, 97,704,199,735.55 and 50,349,765,653.12 is: 69,573,565,505.60
Step by Step Solution
- Step 1: Write the proportion equation
70,707,653,463.79 : 97,704,199,735.55 = 50,349,765,653.12 : x - Step 2: Convert to fraction form
70,707,653,463.79/97,704,199,735.55 = 50,349,765,653.12/x - Step 3: Cross multiply
70,707,653,463.79x = 97,704,199,735.55 × 50,349,765,653.12 - Step 4: Simplify right side
70,707,653,463.79x = 4,919,383,560,010,572,234,752 - Step 5: Solve for x
x = 4,919,383,560,010,572,234,752/70,707,653,463.79 - Step 6: Final answer
x = 69,573,565,505.60
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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.