Finding the Fourth Proportional to 319,129,447.00, 478,023,798.87 and 202,484,761.55
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Solution
The fourth proportional to 319,129,447.00, 478,023,798.87 and 202,484,761.55 is: 303,301,797.56
Step by Step Solution
- Step 1: Write the proportion equation
319,129,447.00 : 478,023,798.87 = 202,484,761.55 : x - Step 2: Convert to fraction form
319,129,447.00/478,023,798.87 = 202,484,761.55/x - Step 3: Cross multiply
319,129,447.00x = 478,023,798.87 × 202,484,761.55 - Step 4: Simplify right side
319,129,447.00x = 96,792,534,927,963,072 - Step 5: Solve for x
x = 96,792,534,927,963,072/319,129,447.00 - Step 6: Final answer
x = 303,301,797.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.