Finding the Fourth Proportional to 982,927,412.64, 1,356,430,867.02 and 536,890,704.48
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Solution
The fourth proportional to 982,927,412.64, 1,356,430,867.02 and 536,890,704.48 is: 740,904,276.76
Step by Step Solution
- Step 1: Write the proportion equation
982,927,412.64 : 1,356,430,867.02 = 536,890,704.48 : x - Step 2: Convert to fraction form
982,927,412.64/1,356,430,867.02 = 536,890,704.48/x - Step 3: Cross multiply
982,927,412.64x = 1,356,430,867.02 × 536,890,704.48 - Step 4: Simplify right side
982,927,412.64x = 728,255,123,772,785,024 - Step 5: Solve for x
x = 728,255,123,772,785,024/982,927,412.64 - Step 6: Final answer
x = 740,904,276.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.