Finding the Fourth Proportional to 457,873,893.10, 632,030,328.93 and 272,234,465.92
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Solution
The fourth proportional to 457,873,893.10, 632,030,328.93 and 272,234,465.92 is: 375,781,283.09
Step by Step Solution
- Step 1: Write the proportion equation
457,873,893.10 : 632,030,328.93 = 272,234,465.92 : x - Step 2: Convert to fraction form
457,873,893.10/632,030,328.93 = 272,234,465.92/x - Step 3: Cross multiply
457,873,893.10x = 632,030,328.93 × 272,234,465.92 - Step 4: Simplify right side
457,873,893.10x = 172,060,439,041,500,480 - Step 5: Solve for x
x = 172,060,439,041,500,480/457,873,893.10 - Step 6: Final answer
x = 375,781,283.09
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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.