Finding the Fourth Proportional to 402,272,210.30, 603,408,315.45 and 347,746,363.70
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Solution
The fourth proportional to 402,272,210.30, 603,408,315.45 and 347,746,363.70 is: 521,619,545.55
Step by Step Solution
- Step 1: Write the proportion equation
402,272,210.30 : 603,408,315.45 = 347,746,363.70 : x - Step 2: Convert to fraction form
402,272,210.30/603,408,315.45 = 347,746,363.70/x - Step 3: Cross multiply
402,272,210.30x = 603,408,315.45 × 347,746,363.70 - Step 4: Simplify right side
402,272,210.30x = 209,833,047,524,080,032 - Step 5: Solve for x
x = 209,833,047,524,080,032/402,272,210.30 - Step 6: Final answer
x = 521,619,545.55
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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.