Finding the Fourth Proportional to 639,049,602,879.30, 881,888,927,433 and 346,076,799,913.99
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Solution
The fourth proportional to 639,049,602,879.30, 881,888,927,433 and 346,076,799,913.99 is: 477,586,241,366.05
Step by Step Solution
- Step 1: Write the proportion equation
639,049,602,879.30 : 881,888,927,433 = 346,076,799,913.99 : x - Step 2: Convert to fraction form
639,049,602,879.30/881,888,927,433 = 346,076,799,913.99/x - Step 3: Cross multiply
639,049,602,879.30x = 881,888,927,433 × 346,076,799,913.99 - Step 4: Simplify right side
639,049,602,879.30x = 305,201,297,885,593,593,708,544 - Step 5: Solve for x
x = 305,201,297,885,593,593,708,544/639,049,602,879.30 - Step 6: Final answer
x = 477,586,241,366.05
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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.