Finding the Fourth Proportional to 712,971,339.22, 1,068,702,206.46 and 239,819,957.95
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Solution
The fourth proportional to 712,971,339.22, 1,068,702,206.46 and 239,819,957.95 is: 359,476,046.39
Step by Step Solution
- Step 1: Write the proportion equation
712,971,339.22 : 1,068,702,206.46 = 239,819,957.95 : x - Step 2: Convert to fraction form
712,971,339.22/1,068,702,206.46 = 239,819,957.95/x - Step 3: Cross multiply
712,971,339.22x = 1,068,702,206.46 × 239,819,957.95 - Step 4: Simplify right side
712,971,339.22x = 256,296,118,214,309,408 - Step 5: Solve for x
x = 256,296,118,214,309,408/712,971,339.22 - Step 6: Final answer
x = 359,476,046.39
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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.