Finding the Fourth Proportional to 319,129,449.38, 478,023,802.43 and 202,484,763.93
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Solution
The fourth proportional to 319,129,449.38, 478,023,802.43 and 202,484,763.93 is: 303,301,801.12
Step by Step Solution
- Step 1: Write the proportion equation
319,129,449.38 : 478,023,802.43 = 202,484,763.93 : x - Step 2: Convert to fraction form
319,129,449.38/478,023,802.43 = 202,484,763.93/x - Step 3: Cross multiply
319,129,449.38x = 478,023,802.43 × 202,484,763.93 - Step 4: Simplify right side
319,129,449.38x = 96,792,536,785,569,392 - Step 5: Solve for x
x = 96,792,536,785,569,392/319,129,449.38 - Step 6: Final answer
x = 303,301,801.12
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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.