Finding the Fourth Proportional to 839,291,159.70, 1,258,936,739.55 and 788,230,833.30
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Solution
The fourth proportional to 839,291,159.70, 1,258,936,739.55 and 788,230,833.30 is: 1,182,346,249.95
Step by Step Solution
- Step 1: Write the proportion equation
839,291,159.70 : 1,258,936,739.55 = 788,230,833.30 : x - Step 2: Convert to fraction form
839,291,159.70/1,258,936,739.55 = 788,230,833.30/x - Step 3: Cross multiply
839,291,159.70x = 1,258,936,739.55 × 788,230,833.30 - Step 4: Simplify right side
839,291,159.70x = 992,332,755,287,481,472 - Step 5: Solve for x
x = 992,332,755,287,481,472/839,291,159.70 - Step 6: Final answer
x = 1,182,346,249.95
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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.