Finding the Fourth Proportional to 526,125,905.20, 737,785,590.80 and 526,125,905.20
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Solution
The fourth proportional to 526,125,905.20, 737,785,590.80 and 526,125,905.20 is: 737,785,590.80
Step by Step Solution
- Step 1: Write the proportion equation
526,125,905.20 : 737,785,590.80 = 526,125,905.20 : x - Step 2: Convert to fraction form
526,125,905.20/737,785,590.80 = 526,125,905.20/x - Step 3: Cross multiply
526,125,905.20x = 737,785,590.80 × 526,125,905.20 - Step 4: Simplify right side
526,125,905.20x = 388,168,111,803,166,784 - Step 5: Solve for x
x = 388,168,111,803,166,784/526,125,905.20 - Step 6: Final answer
x = 737,785,590.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.