Finding the Fourth Proportional to 609,387,168.78, 841,211,724.06 and 411,416,815.68
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Solution
The fourth proportional to 609,387,168.78, 841,211,724.06 and 411,416,815.68 is: 567,929,005.66
Step by Step Solution
- Step 1: Write the proportion equation
609,387,168.78 : 841,211,724.06 = 411,416,815.68 : x - Step 2: Convert to fraction form
609,387,168.78/841,211,724.06 = 411,416,815.68/x - Step 3: Cross multiply
609,387,168.78x = 841,211,724.06 × 411,416,815.68 - Step 4: Simplify right side
609,387,168.78x = 346,088,648,825,448,000 - Step 5: Solve for x
x = 346,088,648,825,448,000/609,387,168.78 - Step 6: Final answer
x = 567,929,005.66
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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.