Finding the Fourth Proportional to 725,284,166.06, 1,000,882,574.97 and 403,409,962.46
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Solution
The fourth proportional to 725,284,166.06, 1,000,882,574.97 and 403,409,962.46 is: 556,700,422.94
Step by Step Solution
- Step 1: Write the proportion equation
725,284,166.06 : 1,000,882,574.97 = 403,409,962.46 : x - Step 2: Convert to fraction form
725,284,166.06/1,000,882,574.97 = 403,409,962.46/x - Step 3: Cross multiply
725,284,166.06x = 1,000,882,574.97 × 403,409,962.46 - Step 4: Simplify right side
725,284,166.06x = 403,766,001,995,515,840 - Step 5: Solve for x
x = 403,766,001,995,515,840/725,284,166.06 - Step 6: Final answer
x = 556,700,422.94
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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.