Finding the Fourth Proportional to 698,803,579,782.45, 1,048,310,177,931 and 245,442,576,562.65
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Solution
The fourth proportional to 698,803,579,782.45, 1,048,310,177,931 and 245,442,576,562.65 is: 368,200,676,917.45
Step by Step Solution
- Step 1: Write the proportion equation
698,803,579,782.45 : 1,048,310,177,931 = 245,442,576,562.65 : x - Step 2: Convert to fraction form
698,803,579,782.45/1,048,310,177,931 = 245,442,576,562.65/x - Step 3: Cross multiply
698,803,579,782.45x = 1,048,310,177,931 × 245,442,576,562.65 - Step 4: Simplify right side
698,803,579,782.45x = 257,299,951,108,234,688,856,064 - Step 5: Solve for x
x = 257,299,951,108,234,688,856,064/698,803,579,782.45 - Step 6: Final answer
x = 368,200,676,917.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.