Finding the Fourth Proportional to 315,103,637.70, 472,336,591.95 and 185,644,610.10
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Solution
The fourth proportional to 315,103,637.70, 472,336,591.95 and 185,644,610.10 is: 278,279,054.75
Step by Step Solution
- Step 1: Write the proportion equation
315,103,637.70 : 472,336,591.95 = 185,644,610.10 : x - Step 2: Convert to fraction form
315,103,637.70/472,336,591.95 = 185,644,610.10/x - Step 3: Cross multiply
315,103,637.70x = 472,336,591.95 × 185,644,610.10 - Step 4: Simplify right side
315,103,637.70x = 87,686,742,448,520,544 - Step 5: Solve for x
x = 87,686,742,448,520,544/315,103,637.70 - Step 6: Final answer
x = 278,279,054.75
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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.