Finding the Fourth Proportional to 521,982,330.40, 782,484,307.38 and 176,694,338.08
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Solution
The fourth proportional to 521,982,330.40, 782,484,307.38 and 176,694,338.08 is: 264,875,913.80
Step by Step Solution
- Step 1: Write the proportion equation
521,982,330.40 : 782,484,307.38 = 176,694,338.08 : x - Step 2: Convert to fraction form
521,982,330.40/782,484,307.38 = 176,694,338.08/x - Step 3: Cross multiply
521,982,330.40x = 782,484,307.38 × 176,694,338.08 - Step 4: Simplify right side
521,982,330.40x = 138,260,546,750,496,368 - Step 5: Solve for x
x = 138,260,546,750,496,368/521,982,330.40 - Step 6: Final answer
x = 264,875,913.80
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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.