Finding the Fourth Proportional to 8,975,488,521.20, 13,463,232,781.80 and 4,326,442,653.20
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Solution
The fourth proportional to 8,975,488,521.20, 13,463,232,781.80 and 4,326,442,653.20 is: 6,489,663,979.80
Step by Step Solution
- Step 1: Write the proportion equation
8,975,488,521.20 : 13,463,232,781.80 = 4,326,442,653.20 : x - Step 2: Convert to fraction form
8,975,488,521.20/13,463,232,781.80 = 4,326,442,653.20/x - Step 3: Cross multiply
8,975,488,521.20x = 13,463,232,781.80 × 4,326,442,653.20 - Step 4: Simplify right side
8,975,488,521.20x = 58,247,904,557,140,000,768 - Step 5: Solve for x
x = 58,247,904,557,140,000,768/8,975,488,521.20 - Step 6: Final answer
x = 6,489,663,979.80
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.