Finding the Fourth Proportional to 972,477,236.66, 1,457,898,432.30 and 787,786,702.31
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Solution
The fourth proportional to 972,477,236.66, 1,457,898,432.30 and 787,786,702.31 is: 1,181,017,873.71
Step by Step Solution
- Step 1: Write the proportion equation
972,477,236.66 : 1,457,898,432.30 = 787,786,702.31 : x - Step 2: Convert to fraction form
972,477,236.66/1,457,898,432.30 = 787,786,702.31/x - Step 3: Cross multiply
972,477,236.66x = 1,457,898,432.30 × 787,786,702.31 - Step 4: Simplify right side
972,477,236.66x = 1,148,512,998,277,246,208 - Step 5: Solve for x
x = 1,148,512,998,277,246,208/972,477,236.66 - Step 6: Final answer
x = 1,181,017,873.71
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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.