Finding the Fourth Proportional to 5,184,615,723.12, 7,776,943,761.12 and 1,254,315,574.36
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Solution
The fourth proportional to 5,184,615,723.12, 7,776,943,761.12 and 1,254,315,574.36 is: 1,881,478,242.83
Step by Step Solution
- Step 1: Write the proportion equation
5,184,615,723.12 : 7,776,943,761.12 = 1,254,315,574.36 : x - Step 2: Convert to fraction form
5,184,615,723.12/7,776,943,761.12 = 1,254,315,574.36/x - Step 3: Cross multiply
5,184,615,723.12x = 7,776,943,761.12 × 1,254,315,574.36 - Step 4: Simplify right side
5,184,615,723.12x = 9,754,741,680,494,651,392 - Step 5: Solve for x
x = 9,754,741,680,494,651,392/5,184,615,723.12 - Step 6: Final answer
x = 1,881,478,242.83
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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.