Finding the Fourth Proportional to 346,963,951.08, 478,805,780.40 and 198,283,365.84
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Solution
The fourth proportional to 346,963,951.08, 478,805,780.40 and 198,283,365.84 is: 273,628,489.14
Step by Step Solution
- Step 1: Write the proportion equation
346,963,951.08 : 478,805,780.40 = 198,283,365.84 : x - Step 2: Convert to fraction form
346,963,951.08/478,805,780.40 = 198,283,365.84/x - Step 3: Cross multiply
346,963,951.08x = 478,805,780.40 × 198,283,365.84 - Step 4: Simplify right side
346,963,951.08x = 94,939,221,721,359,904 - Step 5: Solve for x
x = 94,939,221,721,359,904/346,963,951.08 - Step 6: Final answer
x = 273,628,489.14
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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.