Finding the Fourth Proportional to 829,671,935.80, 1,244,507,903.70 and 829,671,935.80
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Solution
The fourth proportional to 829,671,935.80, 1,244,507,903.70 and 829,671,935.80 is: 1,244,507,903.70
Step by Step Solution
- Step 1: Write the proportion equation
829,671,935.80 : 1,244,507,903.70 = 829,671,935.80 : x - Step 2: Convert to fraction form
829,671,935.80/1,244,507,903.70 = 829,671,935.80/x - Step 3: Cross multiply
829,671,935.80x = 1,244,507,903.70 × 829,671,935.80 - Step 4: Simplify right side
829,671,935.80x = 1,032,533,281,581,179,008 - Step 5: Solve for x
x = 1,032,533,281,581,179,008/829,671,935.80 - Step 6: Final answer
x = 1,244,507,903.70
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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.