Finding the Fourth Proportional to 687,204,467.91, 1,030,968,102.51 and 227,142,588.06
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Solution
The fourth proportional to 687,204,467.91, 1,030,968,102.51 and 227,142,588.06 is: 340,767,230.06
Step by Step Solution
- Step 1: Write the proportion equation
687,204,467.91 : 1,030,968,102.51 = 227,142,588.06 : x - Step 2: Convert to fraction form
687,204,467.91/1,030,968,102.51 = 227,142,588.06/x - Step 3: Cross multiply
687,204,467.91x = 1,030,968,102.51 × 227,142,588.06 - Step 4: Simplify right side
687,204,467.91x = 234,176,763,011,428,768 - Step 5: Solve for x
x = 234,176,763,011,428,768/687,204,467.91 - Step 6: Final answer
x = 340,767,230.06
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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.