Finding the Fourth Proportional to 880,972,978.08, 1,321,176,582.72 and 290,630,527.68
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Solution
The fourth proportional to 880,972,978.08, 1,321,176,582.72 and 290,630,527.68 is: 435,852,468.75
Step by Step Solution
- Step 1: Write the proportion equation
880,972,978.08 : 1,321,176,582.72 = 290,630,527.68 : x - Step 2: Convert to fraction form
880,972,978.08/1,321,176,582.72 = 290,630,527.68/x - Step 3: Cross multiply
880,972,978.08x = 1,321,176,582.72 × 290,630,527.68 - Step 4: Simplify right side
880,972,978.08x = 383,974,247,394,372,800 - Step 5: Solve for x
x = 383,974,247,394,372,800/880,972,978.08 - Step 6: Final answer
x = 435,852,468.75
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1.5x scale
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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.