Finding the Fourth Proportional to 564,251,090.21, 778,573,076.75 and 326,118,449.58
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Solution
The fourth proportional to 564,251,090.21, 778,573,076.75 and 326,118,449.58 is: 449,989,462.28
Step by Step Solution
- Step 1: Write the proportion equation
564,251,090.21 : 778,573,076.75 = 326,118,449.58 : x - Step 2: Convert to fraction form
564,251,090.21/778,573,076.75 = 326,118,449.58/x - Step 3: Cross multiply
564,251,090.21x = 778,573,076.75 × 326,118,449.58 - Step 4: Simplify right side
564,251,090.21x = 253,907,044,676,545,856 - Step 5: Solve for x
x = 253,907,044,676,545,856/564,251,090.21 - Step 6: Final answer
x = 449,989,462.28
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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.