Finding the Fourth Proportional to 4,618,655,434.08, 6,379,005,465.36 and 3,130,960,756.32
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Solution
The fourth proportional to 4,618,655,434.08, 6,379,005,465.36 and 3,130,960,756.32 is: 4,324,292,223.45
Step by Step Solution
- Step 1: Write the proportion equation
4,618,655,434.08 : 6,379,005,465.36 = 3,130,960,756.32 : x - Step 2: Convert to fraction form
4,618,655,434.08/6,379,005,465.36 = 3,130,960,756.32/x - Step 3: Cross multiply
4,618,655,434.08x = 6,379,005,465.36 × 3,130,960,756.32 - Step 4: Simplify right side
4,618,655,434.08x = 19,972,415,776,392,957,952 - Step 5: Solve for x
x = 19,972,415,776,392,957,952/4,618,655,434.08 - Step 6: Final answer
x = 4,324,292,223.45
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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.