Finding the Fourth Proportional to 904,214,491.22, 1,247,730,710.10 and 507,660,030.74
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Solution
The fourth proportional to 904,214,491.22, 1,247,730,710.10 and 507,660,030.74 is: 700,522,958.65
Step by Step Solution
- Step 1: Write the proportion equation
904,214,491.22 : 1,247,730,710.10 = 507,660,030.74 : x - Step 2: Convert to fraction form
904,214,491.22/1,247,730,710.10 = 507,660,030.74/x - Step 3: Cross multiply
904,214,491.22x = 1,247,730,710.10 × 507,660,030.74 - Step 4: Simplify right side
904,214,491.22x = 633,423,010,644,608,000 - Step 5: Solve for x
x = 633,423,010,644,608,000/904,214,491.22 - Step 6: Final answer
x = 700,522,958.65
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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.