Finding the Fourth Proportional to 402,272,169.05, 603,408,253.58 and 347,746,322.45
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Solution
The fourth proportional to 402,272,169.05, 603,408,253.58 and 347,746,322.45 is: 521,619,483.68
Step by Step Solution
- Step 1: Write the proportion equation
402,272,169.05 : 603,408,253.58 = 347,746,322.45 : x - Step 2: Convert to fraction form
402,272,169.05/603,408,253.58 = 347,746,322.45/x - Step 3: Cross multiply
402,272,169.05x = 603,408,253.58 × 347,746,322.45 - Step 4: Simplify right side
402,272,169.05x = 209,833,001,116,683,328 - Step 5: Solve for x
x = 209,833,001,116,683,328/402,272,169.05 - Step 6: Final answer
x = 521,619,483.68
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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.