Finding the Fourth Proportional to 860,747,617.74, 1,291,613,431.65 and 467,306,433.67
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Solution
The fourth proportional to 860,747,617.74, 1,291,613,431.65 and 467,306,433.67 is: 701,226,763.79
Step by Step Solution
- Step 1: Write the proportion equation
860,747,617.74 : 1,291,613,431.65 = 467,306,433.67 : x - Step 2: Convert to fraction form
860,747,617.74/1,291,613,431.65 = 467,306,433.67/x - Step 3: Cross multiply
860,747,617.74x = 1,291,613,431.65 × 467,306,433.67 - Step 4: Simplify right side
860,747,617.74x = 603,579,266,424,631,808 - Step 5: Solve for x
x = 603,579,266,424,631,808/860,747,617.74 - Step 6: Final answer
x = 701,226,763.79
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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.