Finding the Fourth Proportional to 395,464,327.12, 592,781,246.46 and 133,057,783.84
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Solution
The fourth proportional to 395,464,327.12, 592,781,246.46 and 133,057,783.84 is: 199,446,962.84
Step by Step Solution
- Step 1: Write the proportion equation
395,464,327.12 : 592,781,246.46 = 133,057,783.84 : x - Step 2: Convert to fraction form
395,464,327.12/592,781,246.46 = 133,057,783.84/x - Step 3: Cross multiply
395,464,327.12x = 592,781,246.46 × 133,057,783.84 - Step 4: Simplify right side
395,464,327.12x = 78,874,158,955,880,448 - Step 5: Solve for x
x = 78,874,158,955,880,448/395,464,327.12 - Step 6: Final answer
x = 199,446,962.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.