Finding the Fourth Proportional to 905,449,518.23, 1,358,172,582.21 and 283,712,347.08
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Solution
The fourth proportional to 905,449,518.23, 1,358,172,582.21 and 283,712,347.08 is: 425,567,989.47
Step by Step Solution
- Step 1: Write the proportion equation
905,449,518.23 : 1,358,172,582.21 = 283,712,347.08 : x - Step 2: Convert to fraction form
905,449,518.23/1,358,172,582.21 = 283,712,347.08/x - Step 3: Cross multiply
905,449,518.23x = 1,358,172,582.21 × 283,712,347.08 - Step 4: Simplify right side
905,449,518.23x = 385,330,331,038,503,360 - Step 5: Solve for x
x = 385,330,331,038,503,360/905,449,518.23 - Step 6: Final answer
x = 425,567,989.47
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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.