Finding the Fourth Proportional to 534,854,898.20, 802,282,347.30 and 488,938,395.80
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Solution
The fourth proportional to 534,854,898.20, 802,282,347.30 and 488,938,395.80 is: 733,407,593.70
Step by Step Solution
- Step 1: Write the proportion equation
534,854,898.20 : 802,282,347.30 = 488,938,395.80 : x - Step 2: Convert to fraction form
534,854,898.20/802,282,347.30 = 488,938,395.80/x - Step 3: Cross multiply
534,854,898.20x = 802,282,347.30 × 488,938,395.80 - Step 4: Simplify right side
534,854,898.20x = 392,266,643,867,520,448 - Step 5: Solve for x
x = 392,266,643,867,520,448/534,854,898.20 - Step 6: Final answer
x = 733,407,593.70
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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.