Finding the Fourth Proportional to 871,120,397.94, 1,202,130,946.98 and 474,646,669.35
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Solution
The fourth proportional to 871,120,397.94, 1,202,130,946.98 and 474,646,669.35 is: 655,004,120.50
Step by Step Solution
- Step 1: Write the proportion equation
871,120,397.94 : 1,202,130,946.98 = 474,646,669.35 : x - Step 2: Convert to fraction form
871,120,397.94/1,202,130,946.98 = 474,646,669.35/x - Step 3: Cross multiply
871,120,397.94x = 1,202,130,946.98 × 474,646,669.35 - Step 4: Simplify right side
871,120,397.94x = 570,587,450,106,618,496 - Step 5: Solve for x
x = 570,587,450,106,618,496/871,120,397.94 - Step 6: Final answer
x = 655,004,120.50
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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.