Finding the Fourth Proportional to 372,323,026.44, 513,842,068.62 and 278,073,545.94
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Solution
The fourth proportional to 372,323,026.44, 513,842,068.62 and 278,073,545.94 is: 383,768,598.58
Step by Step Solution
- Step 1: Write the proportion equation
372,323,026.44 : 513,842,068.62 = 278,073,545.94 : x - Step 2: Convert to fraction form
372,323,026.44/513,842,068.62 = 278,073,545.94/x - Step 3: Cross multiply
372,323,026.44x = 513,842,068.62 × 278,073,545.94 - Step 4: Simplify right side
372,323,026.44x = 142,885,886,074,308,208 - Step 5: Solve for x
x = 142,885,886,074,308,208/372,323,026.44 - Step 6: Final answer
x = 383,768,598.58
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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.