Finding the Fourth Proportional to 403,615,848.30, 605,423,772.45 and 352,597,512.30
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Solution
The fourth proportional to 403,615,848.30, 605,423,772.45 and 352,597,512.30 is: 528,896,268.45
Step by Step Solution
- Step 1: Write the proportion equation
403,615,848.30 : 605,423,772.45 = 352,597,512.30 : x - Step 2: Convert to fraction form
403,615,848.30/605,423,772.45 = 352,597,512.30/x - Step 3: Cross multiply
403,615,848.30x = 605,423,772.45 × 352,597,512.30 - Step 4: Simplify right side
403,615,848.30x = 213,470,916,053,151,296 - Step 5: Solve for x
x = 213,470,916,053,151,296/403,615,848.30 - Step 6: Final answer
x = 528,896,268.45
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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.