Finding the Fourth Proportional to 1,119,745,235.60, 1,679,617,853.40 and 773,968,288.40
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Solution
The fourth proportional to 1,119,745,235.60, 1,679,617,853.40 and 773,968,288.40 is: 1,160,952,432.60
Step by Step Solution
- Step 1: Write the proportion equation
1,119,745,235.60 : 1,679,617,853.40 = 773,968,288.40 : x - Step 2: Convert to fraction form
1,119,745,235.60/1,679,617,853.40 = 773,968,288.40/x - Step 3: Cross multiply
1,119,745,235.60x = 1,679,617,853.40 × 773,968,288.40 - Step 4: Simplify right side
1,119,745,235.60x = 1,299,970,955,162,080,256 - Step 5: Solve for x
x = 1,299,970,955,162,080,256/1,119,745,235.60 - Step 6: Final answer
x = 1,160,952,432.60
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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.