Finding the Fourth Proportional to 319,129,448.15, 478,023,800.59 and 202,484,762.70
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Solution
The fourth proportional to 319,129,448.15, 478,023,800.59 and 202,484,762.70 is: 303,301,799.28
Step by Step Solution
- Step 1: Write the proportion equation
319,129,448.15 : 478,023,800.59 = 202,484,762.70 : x - Step 2: Convert to fraction form
319,129,448.15/478,023,800.59 = 202,484,762.70/x - Step 3: Cross multiply
319,129,448.15x = 478,023,800.59 × 202,484,762.70 - Step 4: Simplify right side
319,129,448.15x = 96,792,535,825,119,456 - Step 5: Solve for x
x = 96,792,535,825,119,456/319,129,448.15 - Step 6: Final answer
x = 303,301,799.28
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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.