Finding the Fourth Proportional to 1,630,426,164,759.40, 2,249,994,903,379 and 898,798,498,569.70
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Solution
The fourth proportional to 1,630,426,164,759.40, 2,249,994,903,379 and 898,798,498,569.70 is: 1,240,345,674,435.95
Step by Step Solution
- Step 1: Write the proportion equation
1,630,426,164,759.40 : 2,249,994,903,379 = 898,798,498,569.70 : x - Step 2: Convert to fraction form
1,630,426,164,759.40/2,249,994,903,379 = 898,798,498,569.70/x - Step 3: Cross multiply
1,630,426,164,759.40x = 2,249,994,903,379 × 898,798,498,569.70 - Step 4: Simplify right side
1,630,426,164,759.40x = 2,022,292,040,946,522,194,444,288 - Step 5: Solve for x
x = 2,022,292,040,946,522,194,444,288/1,630,426,164,759.40 - Step 6: Final answer
x = 1,240,345,674,435.95
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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.