Finding the Fourth Proportional to 420,944,671.29, 580,907,405.16 and 232,785,697.08
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Solution
The fourth proportional to 420,944,671.29, 580,907,405.16 and 232,785,697.08 is: 321,246,340.61
Step by Step Solution
- Step 1: Write the proportion equation
420,944,671.29 : 580,907,405.16 = 232,785,697.08 : x - Step 2: Convert to fraction form
420,944,671.29/580,907,405.16 = 232,785,697.08/x - Step 3: Cross multiply
420,944,671.29x = 580,907,405.16 × 232,785,697.08 - Step 4: Simplify right side
420,944,671.29x = 135,226,935,249,104,592 - Step 5: Solve for x
x = 135,226,935,249,104,592/420,944,671.29 - Step 6: Final answer
x = 321,246,340.61
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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.