Finding the Fourth Proportional to 422,637,652.80, 592,498,929.60 and 422,637,652.80
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Solution
The fourth proportional to 422,637,652.80, 592,498,929.60 and 422,637,652.80 is: 592,498,929.60
Step by Step Solution
- Step 1: Write the proportion equation
422,637,652.80 : 592,498,929.60 = 422,637,652.80 : x - Step 2: Convert to fraction form
422,637,652.80/592,498,929.60 = 422,637,652.80/x - Step 3: Cross multiply
422,637,652.80x = 592,498,929.60 × 422,637,652.80 - Step 4: Simplify right side
422,637,652.80x = 250,412,356,892,656,448 - Step 5: Solve for x
x = 250,412,356,892,656,448/422,637,652.80 - Step 6: Final answer
x = 592,498,929.60
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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.