Finding the Fourth Proportional to 4,289,513,415.62, 5,919,377,534.27 and 2,358,267,156.60
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Solution
The fourth proportional to 4,289,513,415.62, 5,919,377,534.27 and 2,358,267,156.60 is: 3,254,325,671.48
Step by Step Solution
- Step 1: Write the proportion equation
4,289,513,415.62 : 5,919,377,534.27 = 2,358,267,156.60 : x - Step 2: Convert to fraction form
4,289,513,415.62/5,919,377,534.27 = 2,358,267,156.60/x - Step 3: Cross multiply
4,289,513,415.62x = 5,919,377,534.27 × 2,358,267,156.60 - Step 4: Simplify right side
4,289,513,415.62x = 13,959,473,626,573,041,664 - Step 5: Solve for x
x = 13,959,473,626,573,041,664/4,289,513,415.62 - Step 6: Final answer
x = 3,254,325,671.48
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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.