Finding the Fourth Proportional to 375,719,737.92, 518,475,671.97 and 208,454,219.01
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Solution
The fourth proportional to 375,719,737.92, 518,475,671.97 and 208,454,219.01 is: 287,657,076.19
Step by Step Solution
- Step 1: Write the proportion equation
375,719,737.92 : 518,475,671.97 = 208,454,219.01 : x - Step 2: Convert to fraction form
375,719,737.92/518,475,671.97 = 208,454,219.01/x - Step 3: Cross multiply
375,719,737.92x = 518,475,671.97 × 208,454,219.01 - Step 4: Simplify right side
375,719,737.92x = 108,078,441,276,191,296 - Step 5: Solve for x
x = 108,078,441,276,191,296/375,719,737.92 - Step 6: Final answer
x = 287,657,076.19
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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.