Finding the Fourth Proportional to 497,619,214.80, 745,881,391.80 and 174,336,680.40
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Solution
The fourth proportional to 497,619,214.80, 745,881,391.80 and 174,336,680.40 is: 261,313,232.99
Step by Step Solution
- Step 1: Write the proportion equation
497,619,214.80 : 745,881,391.80 = 174,336,680.40 : x - Step 2: Convert to fraction form
497,619,214.80/745,881,391.80 = 174,336,680.40/x - Step 3: Cross multiply
497,619,214.80x = 745,881,391.80 × 174,336,680.40 - Step 4: Simplify right side
497,619,214.80x = 130,034,485,818,543,776 - Step 5: Solve for x
x = 130,034,485,818,543,776/497,619,214.80 - Step 6: Final answer
x = 261,313,232.99
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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.