Finding the Fourth Proportional to 1,572,100,952.85, 2,357,266,567.45 and 522,277,122.42
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Solution
The fourth proportional to 1,572,100,952.85, 2,357,266,567.45 and 522,277,122.42 is: 783,121,718.36
Step by Step Solution
- Step 1: Write the proportion equation
1,572,100,952.85 : 2,357,266,567.45 = 522,277,122.42 : x - Step 2: Convert to fraction form
1,572,100,952.85/2,357,266,567.45 = 522,277,122.42/x - Step 3: Cross multiply
1,572,100,952.85x = 2,357,266,567.45 × 522,277,122.42 - Step 4: Simplify right side
1,572,100,952.85x = 1,231,146,399,624,656,896 - Step 5: Solve for x
x = 1,231,146,399,624,656,896/1,572,100,952.85 - Step 6: Final answer
x = 783,121,718.36
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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.