Finding the Fourth Proportional to 1,523,560,401,621.10, 2,102,513,697,425.80 and 838,448,127,579.48
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Solution
The fourth proportional to 1,523,560,401,621.10, 2,102,513,697,425.80 and 838,448,127,579.48 is: 1,157,058,604,923.81
Step by Step Solution
- Step 1: Write the proportion equation
1,523,560,401,621.10 : 2,102,513,697,425.80 = 838,448,127,579.48 : x - Step 2: Convert to fraction form
1,523,560,401,621.10/2,102,513,697,425.80 = 838,448,127,579.48/x - Step 3: Cross multiply
1,523,560,401,621.10x = 2,102,513,697,425.80 × 838,448,127,579.48 - Step 4: Simplify right side
1,523,560,401,621.10x = 1,762,848,672,816,871,413,645,312 - Step 5: Solve for x
x = 1,762,848,672,816,871,413,645,312/1,523,560,401,621.10 - Step 6: Final answer
x = 1,157,058,604,923.81
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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.