Finding the Fourth Proportional to 5,713,127,976.82, 7,883,402,693.16 and 3,172,464,506.74
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Solution
The fourth proportional to 5,713,127,976.82, 7,883,402,693.16 and 3,172,464,506.74 is: 4,377,604,586.82
Step by Step Solution
- Step 1: Write the proportion equation
5,713,127,976.82 : 7,883,402,693.16 = 3,172,464,506.74 : x - Step 2: Convert to fraction form
5,713,127,976.82/7,883,402,693.16 = 3,172,464,506.74/x - Step 3: Cross multiply
5,713,127,976.82x = 7,883,402,693.16 × 3,172,464,506.74 - Step 4: Simplify right side
5,713,127,976.82x = 25,009,815,236,388,626,432 - Step 5: Solve for x
x = 25,009,815,236,388,626,432/5,713,127,976.82 - Step 6: Final answer
x = 4,377,604,586.82
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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.