Finding the Fourth Proportional to 698,803,579,785.45, 1,048,310,177,935.50 and 245,442,576,565.65
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Solution
The fourth proportional to 698,803,579,785.45, 1,048,310,177,935.50 and 245,442,576,565.65 is: 368,200,676,921.95
Step by Step Solution
- Step 1: Write the proportion equation
698,803,579,785.45 : 1,048,310,177,935.50 = 245,442,576,565.65 : x - Step 2: Convert to fraction form
698,803,579,785.45/1,048,310,177,935.50 = 245,442,576,565.65/x - Step 3: Cross multiply
698,803,579,785.45x = 1,048,310,177,935.50 × 245,442,576,565.65 - Step 4: Simplify right side
698,803,579,785.45x = 257,299,951,112,484,122,787,840 - Step 5: Solve for x
x = 257,299,951,112,484,122,787,840/698,803,579,785.45 - Step 6: Final answer
x = 368,200,676,921.95
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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.