Finding the Fourth Proportional to 319,129,454.16, 478,023,809.56 and 202,484,768.68
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Solution
The fourth proportional to 319,129,454.16, 478,023,809.56 and 202,484,768.68 is: 303,301,808.22
Step by Step Solution
- Step 1: Write the proportion equation
319,129,454.16 : 478,023,809.56 = 202,484,768.68 : x - Step 2: Convert to fraction form
319,129,454.16/478,023,809.56 = 202,484,768.68/x - Step 3: Cross multiply
319,129,454.16x = 478,023,809.56 × 202,484,768.68 - Step 4: Simplify right side
319,129,454.16x = 96,792,540,502,288,976 - Step 5: Solve for x
x = 96,792,540,502,288,976/319,129,454.16 - Step 6: Final answer
x = 303,301,808.22
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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.