Finding the Fourth Proportional to 502,984,230.36, 694,118,271.26 and 279,961,125.80
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Solution
The fourth proportional to 502,984,230.36, 694,118,271.26 and 279,961,125.80 is: 386,346,372.17
Step by Step Solution
- Step 1: Write the proportion equation
502,984,230.36 : 694,118,271.26 = 279,961,125.80 : x - Step 2: Convert to fraction form
502,984,230.36/694,118,271.26 = 279,961,125.80/x - Step 3: Cross multiply
502,984,230.36x = 694,118,271.26 × 279,961,125.80 - Step 4: Simplify right side
502,984,230.36x = 194,326,132,660,299,392 - Step 5: Solve for x
x = 194,326,132,660,299,392/502,984,230.36 - Step 6: Final answer
x = 386,346,372.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.