Finding the Fourth Proportional to 3,709,354,901.80, 5,564,032,352.70 and 2,620,963,733.80
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Solution
The fourth proportional to 3,709,354,901.80, 5,564,032,352.70 and 2,620,963,733.80 is: 3,931,445,600.70
Step by Step Solution
- Step 1: Write the proportion equation
3,709,354,901.80 : 5,564,032,352.70 = 2,620,963,733.80 : x - Step 2: Convert to fraction form
3,709,354,901.80/5,564,032,352.70 = 2,620,963,733.80/x - Step 3: Cross multiply
3,709,354,901.80x = 5,564,032,352.70 × 2,620,963,733.80 - Step 4: Simplify right side
3,709,354,901.80x = 14,583,127,010,116,591,616 - Step 5: Solve for x
x = 14,583,127,010,116,591,616/3,709,354,901.80 - Step 6: Final answer
x = 3,931,445,600.70
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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.