Finding the Fourth Proportional to 7,623,825,247.25, 10,521,134,312.52 and 4,236,877,266.40
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Solution
The fourth proportional to 7,623,825,247.25, 10,521,134,312.52 and 4,236,877,266.40 is: 5,847,032,603.68
Step by Step Solution
- Step 1: Write the proportion equation
7,623,825,247.25 : 10,521,134,312.52 = 4,236,877,266.40 : x - Step 2: Convert to fraction form
7,623,825,247.25/10,521,134,312.52 = 4,236,877,266.40/x - Step 3: Cross multiply
7,623,825,247.25x = 10,521,134,312.52 × 4,236,877,266.40 - Step 4: Simplify right side
7,623,825,247.25x = 44,576,754,785,456,979,968 - Step 5: Solve for x
x = 44,576,754,785,456,979,968/7,623,825,247.25 - Step 6: Final answer
x = 5,847,032,603.68
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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.