Finding the Fourth Proportional to 1,436,911,295.80, 2,155,366,943.70 and 1,291,509,038.20
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Solution
The fourth proportional to 1,436,911,295.80, 2,155,366,943.70 and 1,291,509,038.20 is: 1,937,263,557.30
Step by Step Solution
- Step 1: Write the proportion equation
1,436,911,295.80 : 2,155,366,943.70 = 1,291,509,038.20 : x - Step 2: Convert to fraction form
1,436,911,295.80/2,155,366,943.70 = 1,291,509,038.20/x - Step 3: Cross multiply
1,436,911,295.80x = 2,155,366,943.70 × 1,291,509,038.20 - Step 4: Simplify right side
1,436,911,295.80x = 2,783,675,888,426,060,288 - Step 5: Solve for x
x = 2,783,675,888,426,060,288/1,436,911,295.80 - Step 6: Final answer
x = 1,937,263,557.30
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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.