Finding the Fourth Proportional to 351,637,420, 485,259,643.92 and 197,112,748
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Solution
The fourth proportional to 351,637,420, 485,259,643.92 and 197,112,748 is: 272,015,594.66
Step by Step Solution
- Step 1: Write the proportion equation
351,637,420 : 485,259,643.92 = 197,112,748 : x - Step 2: Convert to fraction form
351,637,420/485,259,643.92 = 197,112,748/x - Step 3: Cross multiply
351,637,420x = 485,259,643.92 × 197,112,748 - Step 4: Simplify right side
351,637,420x = 95,650,861,906,572,688 - Step 5: Solve for x
x = 95,650,861,906,572,688/351,637,420 - Step 6: Final answer
x = 272,015,594.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.