Finding the Fourth Proportional to 539,644,641.48, 744,714,735.92 and 316,630,116.96
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Solution
The fourth proportional to 539,644,641.48, 744,714,735.92 and 316,630,116.96 is: 436,952,571.77
Step by Step Solution
- Step 1: Write the proportion equation
539,644,641.48 : 744,714,735.92 = 316,630,116.96 : x - Step 2: Convert to fraction form
539,644,641.48/744,714,735.92 = 316,630,116.96/x - Step 3: Cross multiply
539,644,641.48x = 744,714,735.92 × 316,630,116.96 - Step 4: Simplify right side
539,644,641.48x = 235,799,113,936,185,088 - Step 5: Solve for x
x = 235,799,113,936,185,088/539,644,641.48 - Step 6: Final answer
x = 436,952,571.77
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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.