Finding the Fourth Proportional to 632,819,816,520.84, 873,366,213,069.36 and 375,903,728,800.68
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Solution
The fourth proportional to 632,819,816,520.84, 873,366,213,069.36 and 375,903,728,800.68 is: 518,791,617,345.77
Step by Step Solution
- Step 1: Write the proportion equation
632,819,816,520.84 : 873,366,213,069.36 = 375,903,728,800.68 : x - Step 2: Convert to fraction form
632,819,816,520.84/873,366,213,069.36 = 375,903,728,800.68/x - Step 3: Cross multiply
632,819,816,520.84x = 873,366,213,069.36 × 375,903,728,800.68 - Step 4: Simplify right side
632,819,816,520.84x = 328,301,616,101,301,581,512,704 - Step 5: Solve for x
x = 328,301,616,101,301,581,512,704/632,819,816,520.84 - Step 6: Final answer
x = 518,791,617,345.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.