Finding the Fourth Proportional to 402,376,459.44, 603,134,987.40 and 229,480,987.44
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Solution
The fourth proportional to 402,376,459.44, 603,134,987.40 and 229,480,987.44 is: 343,976,416.17
Step by Step Solution
- Step 1: Write the proportion equation
402,376,459.44 : 603,134,987.40 = 229,480,987.44 : x - Step 2: Convert to fraction form
402,376,459.44/603,134,987.40 = 229,480,987.44/x - Step 3: Cross multiply
402,376,459.44x = 603,134,987.40 × 229,480,987.44 - Step 4: Simplify right side
402,376,459.44x = 138,408,012,468,163,952 - Step 5: Solve for x
x = 138,408,012,468,163,952/402,376,459.44 - Step 6: Final answer
x = 343,976,416.17
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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.