Finding the Fourth Proportional to 944,785,122.40, 1,417,177,683.60 and 715,202,610.40
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Solution
The fourth proportional to 944,785,122.40, 1,417,177,683.60 and 715,202,610.40 is: 1,072,803,915.60
Step by Step Solution
- Step 1: Write the proportion equation
944,785,122.40 : 1,417,177,683.60 = 715,202,610.40 : x - Step 2: Convert to fraction form
944,785,122.40/1,417,177,683.60 = 715,202,610.40/x - Step 3: Cross multiply
944,785,122.40x = 1,417,177,683.60 × 715,202,610.40 - Step 4: Simplify right side
944,785,122.40x = 1,013,569,178,711,345,152 - Step 5: Solve for x
x = 1,013,569,178,711,345,152/944,785,122.40 - Step 6: Final answer
x = 1,072,803,915.60
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1.5x scale
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.