Finding the Fourth Proportional to 430,439,324.04, 645,654,731.04 and 197,203,878
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Solution
The fourth proportional to 430,439,324.04, 645,654,731.04 and 197,203,878 is: 295,803,867.58
Step by Step Solution
- Step 1: Write the proportion equation
430,439,324.04 : 645,654,731.04 = 197,203,878 : x - Step 2: Convert to fraction form
430,439,324.04/645,654,731.04 = 197,203,878/x - Step 3: Cross multiply
430,439,324.04x = 645,654,731.04 × 197,203,878 - Step 4: Simplify right side
430,439,324.04x = 127,325,616,810,134,960 - Step 5: Solve for x
x = 127,325,616,810,134,960/430,439,324.04 - Step 6: Final answer
x = 295,803,867.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.