Finding the Fourth Proportional to 776,682,024.90, 1,165,023,037.35 and 710,169,231.30
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Solution
The fourth proportional to 776,682,024.90, 1,165,023,037.35 and 710,169,231.30 is: 1,065,253,846.95
Step by Step Solution
- Step 1: Write the proportion equation
776,682,024.90 : 1,165,023,037.35 = 710,169,231.30 : x - Step 2: Convert to fraction form
776,682,024.90/1,165,023,037.35 = 710,169,231.30/x - Step 3: Cross multiply
776,682,024.90x = 1,165,023,037.35 × 710,169,231.30 - Step 4: Simplify right side
776,682,024.90x = 827,363,514,881,640,576 - Step 5: Solve for x
x = 827,363,514,881,640,576/776,682,024.90 - Step 6: Final answer
x = 1,065,253,846.95
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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.