Finding the Fourth Proportional to 2,447,696,518.80, 3,671,544,778.20 and 1,963,967,110.80
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Solution
The fourth proportional to 2,447,696,518.80, 3,671,544,778.20 and 1,963,967,110.80 is: 2,945,950,666.20
Step by Step Solution
- Step 1: Write the proportion equation
2,447,696,518.80 : 3,671,544,778.20 = 1,963,967,110.80 : x - Step 2: Convert to fraction form
2,447,696,518.80/3,671,544,778.20 = 1,963,967,110.80/x - Step 3: Cross multiply
2,447,696,518.80x = 3,671,544,778.20 × 1,963,967,110.80 - Step 4: Simplify right side
2,447,696,518.80x = 7,210,793,190,214,280,192 - Step 5: Solve for x
x = 7,210,793,190,214,280,192/2,447,696,518.80 - Step 6: Final answer
x = 2,945,950,666.20
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1.5x scale
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.