Finding the Fourth Proportional to 564,727,940.64, 779,343,481.43 and 313,842,905.93
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Solution
The fourth proportional to 564,727,940.64, 779,343,481.43 and 313,842,905.93 is: 433,113,726.68
Step by Step Solution
- Step 1: Write the proportion equation
564,727,940.64 : 779,343,481.43 = 313,842,905.93 : x - Step 2: Convert to fraction form
564,727,940.64/779,343,481.43 = 313,842,905.93/x - Step 3: Cross multiply
564,727,940.64x = 779,343,481.43 × 313,842,905.93 - Step 4: Simplify right side
564,727,940.64x = 244,591,422,931,150,272 - Step 5: Solve for x
x = 244,591,422,931,150,272/564,727,940.64 - Step 6: Final answer
x = 433,113,726.68
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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.