Finding the Fourth Proportional to 5,184,615,721.12, 7,776,943,758.12 and 1,254,315,572.36
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Solution
The fourth proportional to 5,184,615,721.12, 7,776,943,758.12 and 1,254,315,572.36 is: 1,881,478,239.83
Step by Step Solution
- Step 1: Write the proportion equation
5,184,615,721.12 : 7,776,943,758.12 = 1,254,315,572.36 : x - Step 2: Convert to fraction form
5,184,615,721.12/7,776,943,758.12 = 1,254,315,572.36/x - Step 3: Cross multiply
5,184,615,721.12x = 7,776,943,758.12 × 1,254,315,572.36 - Step 4: Simplify right side
5,184,615,721.12x = 9,754,741,661,177,817,088 - Step 5: Solve for x
x = 9,754,741,661,177,817,088/5,184,615,721.12 - Step 6: Final answer
x = 1,881,478,239.83
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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.