Finding the Fourth Proportional to 315,103,621.70, 472,336,567.95 and 185,644,594.10
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Solution
The fourth proportional to 315,103,621.70, 472,336,567.95 and 185,644,594.10 is: 278,279,030.76
Step by Step Solution
- Step 1: Write the proportion equation
315,103,621.70 : 472,336,567.95 = 185,644,594.10 : x - Step 2: Convert to fraction form
315,103,621.70/472,336,567.95 = 185,644,594.10/x - Step 3: Cross multiply
315,103,621.70x = 472,336,567.95 × 185,644,594.10 - Step 4: Simplify right side
315,103,621.70x = 87,686,730,435,664,816 - Step 5: Solve for x
x = 87,686,730,435,664,816/315,103,621.70 - Step 6: Final answer
x = 278,279,030.76
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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.