Finding the Fourth Proportional to 10,399,207,675.12, 14,349,695,898.99 and 5,821,722,750.31
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Solution
The fourth proportional to 10,399,207,675.12, 14,349,695,898.99 and 5,821,722,750.31 is: 8,033,299,620.99
Step by Step Solution
- Step 1: Write the proportion equation
10,399,207,675.12 : 14,349,695,898.99 = 5,821,722,750.31 : x - Step 2: Convert to fraction form
10,399,207,675.12/14,349,695,898.99 = 5,821,722,750.31/x - Step 3: Cross multiply
10,399,207,675.12x = 14,349,695,898.99 × 5,821,722,750.31 - Step 4: Simplify right side
10,399,207,675.12x = 83,539,951,075,180,199,936 - Step 5: Solve for x
x = 83,539,951,075,180,199,936/10,399,207,675.12 - Step 6: Final answer
x = 8,033,299,620.99
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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.