Finding the Fourth Proportional to 993,332,188.08, 1,370,840,717.88 and 553,298,923.44
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Solution
The fourth proportional to 993,332,188.08, 1,370,840,717.88 and 553,298,923.44 is: 763,576,075.07
Step by Step Solution
- Step 1: Write the proportion equation
993,332,188.08 : 1,370,840,717.88 = 553,298,923.44 : x - Step 2: Convert to fraction form
993,332,188.08/1,370,840,717.88 = 553,298,923.44/x - Step 3: Cross multiply
993,332,188.08x = 1,370,840,717.88 × 553,298,923.44 - Step 4: Simplify right side
993,332,188.08x = 758,484,693,410,720,896 - Step 5: Solve for x
x = 758,484,693,410,720,896/993,332,188.08 - Step 6: Final answer
x = 763,576,075.07
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1.5x scale
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.