Finding the Fourth Proportional to 720,276,124, 1,078,687,797.36 and 369,599,363.68
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Solution
The fourth proportional to 720,276,124, 1,078,687,797.36 and 369,599,363.68 is: 553,513,173.95
Step by Step Solution
- Step 1: Write the proportion equation
720,276,124 : 1,078,687,797.36 = 369,599,363.68 : x - Step 2: Convert to fraction form
720,276,124/1,078,687,797.36 = 369,599,363.68/x - Step 3: Cross multiply
720,276,124x = 1,078,687,797.36 × 369,599,363.68 - Step 4: Simplify right side
720,276,124x = 398,682,323,513,636,736 - Step 5: Solve for x
x = 398,682,323,513,636,736/720,276,124 - Step 6: Final answer
x = 553,513,173.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.