Finding the Fourth Proportional to 824,739,073.70, 1,138,163,592.93 and 502,885,905.26
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Solution
The fourth proportional to 824,739,073.70, 1,138,163,592.93 and 502,885,905.26 is: 693,996,982.82
Step by Step Solution
- Step 1: Write the proportion equation
824,739,073.70 : 1,138,163,592.93 = 502,885,905.26 : x - Step 2: Convert to fraction form
824,739,073.70/1,138,163,592.93 = 502,885,905.26/x - Step 3: Cross multiply
824,739,073.70x = 1,138,163,592.93 × 502,885,905.26 - Step 4: Simplify right side
824,739,073.70x = 572,366,428,764,577,216 - Step 5: Solve for x
x = 572,366,428,764,577,216/824,739,073.70 - Step 6: Final answer
x = 693,996,982.82
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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.